./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/css2003.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_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/css2003.i -s /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/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 88d33ff91b99a769018021c2f8754b39298cafbb ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:25:18,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:25:18,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:25:18,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:25:18,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:25:18,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:25:18,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:25:18,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:25:18,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:25:18,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:25:18,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:25:18,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:25:18,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:25:18,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:25:18,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:25:18,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:25:18,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:25:18,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:25:18,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:25:18,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:25:18,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:25:18,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:25:18,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:25:18,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:25:18,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:25:18,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:25:18,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:25:18,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:25:18,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:25:18,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:25:18,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:25:18,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:25:18,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:25:18,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:25:18,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:25:18,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:25:18,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:25:18,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:25:18,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:25:18,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:25:18,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:25:18,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 23:25:18,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:25:18,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:25:18,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:25:18,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:25:18,426 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:25:18,426 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:25:18,427 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:25:18,427 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:25:18,427 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:25:18,427 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:25:18,427 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:25:18,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:25:18,428 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:25:18,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:25:18,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:25:18,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:25:18,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:25:18,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:25:18,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:25:18,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:25:18,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:25:18,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:25:18,429 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:25:18,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:25:18,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:25:18,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:25:18,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:25:18,430 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:25:18,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:25:18,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:25:18,431 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:25:18,432 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:25:18,432 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_787b1981-3913-4458-9574-f80150d2a9a7/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 -> 88d33ff91b99a769018021c2f8754b39298cafbb [2019-11-19 23:25:18,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:25:18,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:25:18,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:25:18,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:25:18,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:25:18,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/../../sv-benchmarks/c/loop-lit/css2003.i [2019-11-19 23:25:18,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/data/d7d23dfb3/f3b460f7b0674705accdd95a6af55f95/FLAG40039d3a1 [2019-11-19 23:25:19,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:25:19,063 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/sv-benchmarks/c/loop-lit/css2003.i [2019-11-19 23:25:19,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/data/d7d23dfb3/f3b460f7b0674705accdd95a6af55f95/FLAG40039d3a1 [2019-11-19 23:25:19,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/bin/uautomizer/data/d7d23dfb3/f3b460f7b0674705accdd95a6af55f95 [2019-11-19 23:25:19,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:25:19,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:25:19,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:25:19,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:25:19,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:25:19,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@914c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19, skipping insertion in model container [2019-11-19 23:25:19,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,537 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:25:19,551 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:25:19,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:25:19,706 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:25:19,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:25:19,792 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:25:19,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19 WrapperNode [2019-11-19 23:25:19,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:25:19,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:25:19,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:25:19,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:25:19,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:25:19,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:25:19,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:25:19,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:25:19,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... [2019-11-19 23:25:19,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:25:19,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:25:19,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:25:19,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:25:19,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/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 [2019-11-19 23:25:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:25:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:25:20,086 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:25:20,086 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:25:20,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:25:20 BoogieIcfgContainer [2019-11-19 23:25:20,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:25:20,088 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:25:20,088 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:25:20,091 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:25:20,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:25:20,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:25:19" (1/3) ... [2019-11-19 23:25:20,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cbd26e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:25:20, skipping insertion in model container [2019-11-19 23:25:20,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:25:20,094 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:25:19" (2/3) ... [2019-11-19 23:25:20,094 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cbd26e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:25:20, skipping insertion in model container [2019-11-19 23:25:20,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:25:20,094 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:25:20" (3/3) ... [2019-11-19 23:25:20,096 INFO L371 chiAutomizerObserver]: Analyzing ICFG css2003.i [2019-11-19 23:25:20,150 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:25:20,150 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:25:20,150 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:25:20,150 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:25:20,150 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:25:20,150 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:25:20,150 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:25:20,151 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:25:20,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-19 23:25:20,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 23:25:20,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:25:20,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:25:20,206 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:25:20,207 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:25:20,207 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:25:20,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-19 23:25:20,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 23:25:20,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:25:20,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:25:20,208 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 23:25:20,209 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 23:25:20,215 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~i~0, main_~j~0, main_~k~0;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;main_~i~0 := 1;main_~j~0 := 1;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L15true assume !!(0 <= main_~k~0 && main_~k~0 <= 1); 8#L4-2true [2019-11-19 23:25:20,216 INFO L796 eck$LassoCheckResult]: Loop: 8#L4-2true assume !!(main_~i~0 < 1000000);main_~i~0 := 1 + main_~i~0;main_~j~0 := main_~j~0 + main_~k~0;main_~k~0 := main_~k~0 - 1;__VERIFIER_assert_#in~cond := (if (1 <= main_~i~0 + main_~k~0 && main_~i~0 + main_~k~0 <= 2) && main_~i~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L4true assume !(0 == __VERIFIER_assert_~cond); 8#L4-2true [2019-11-19 23:25:20,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:25:20,221 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-19 23:25:20,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:25:20,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667191993] [2019-11-19 23:25:20,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:25:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:25:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:25:20,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:25:20,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:25:20,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1448, now seen corresponding path program 1 times [2019-11-19 23:25:20,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:25:20,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993383917] [2019-11-19 23:25:20,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:25:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:25:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:25:20,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:25:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:25:20,387 INFO L82 PathProgramCache]: Analyzing trace with hash 959565, now seen corresponding path program 1 times [2019-11-19 23:25:20,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:25:20,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026606041] [2019-11-19 23:25:20,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:25:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:25:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:25:20,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:25:20,546 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:25:20,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:25:20,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:25:20,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:25:20,547 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 23:25:20,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:25:20,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:25:20,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:25:20,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2019-11-19 23:25:20,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:25:20,548 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:25:20,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:25:20,732 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-11-19 23:25:20,782 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:25:20,782 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/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) [2019-11-19 23:25:20,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:25:20,789 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_787b1981-3913-4458-9574-f80150d2a9a7/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) [2019-11-19 23:25:20,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:25:20,810 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 [2019-11-19 23:25:20,844 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 23:25:20,845 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:25:20,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:25:20,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:25:20,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:25:20,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:25:20,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:25:20,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:25:20,846 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:25:20,846 INFO L133 ssoRankerPreferences]: Filename of dumped script: css2003.i_Iteration1_Loop [2019-11-19 23:25:20,846 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:25:20,846 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:25:20,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:25:21,001 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-11-19 23:25:21,049 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:25:21,054 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/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) [2019-11-19 23:25:21,059 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 [2019-11-19 23:25:21,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:25:21,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:25:21,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:25:21,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:25:21,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:25:21,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:25:21,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:25:21,077 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 23:25:21,082 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 23:25:21,083 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b1981-3913-4458-9574-f80150d2a9a7/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 [2019-11-19 23:25:21,088 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 23:25:21,088 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 23:25:21,089 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 23:25:21,089 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2019-11-19 23:25:21,093 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 23:25:21,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:25:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:25:21,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:25:21,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:25:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:25:21,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:25:21,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:25:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:25:21,196 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 [2019-11-19 23:25:21,202 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-11-19 23:25:21,251 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 27 states and 34 transitions. Complement of second has 5 states. [2019-11-19 23:25:21,257 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 [2019-11-19 23:25:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 23:25:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2019-11-19 23:25:21,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 23:25:21,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:25:21,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-19 23:25:21,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:25:21,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-19 23:25:21,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 23:25:21,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-11-19 23:25:21,266 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:25:21,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-19 23:25:21,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 23:25:21,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 23:25:21,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 23:25:21,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:25:21,273 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:25:21,274 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:25:21,274 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:25:21,274 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:25:21,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:25:21,274 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 23:25:21,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 23:25:21,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:25:21 BoogieIcfgContainer [2019-11-19 23:25:21,281 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:25:21,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:25:21,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:25:21,282 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:25:21,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:25:20" (3/4) ... [2019-11-19 23:25:21,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:25:21,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:25:21,288 INFO L168 Benchmark]: Toolchain (without parser) took 1767.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 950.1 MB in the beginning and 982.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:25:21,289 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-11-19 23:25:21,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:25:21,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.66 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. [2019-11-19 23:25:21,291 INFO L168 Benchmark]: Boogie Preprocessor took 23.34 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. [2019-11-19 23:25:21,292 INFO L168 Benchmark]: RCFGBuilder took 239.33 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:25:21,293 INFO L168 Benchmark]: BuchiAutomizer took 1193.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:25:21,294 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 1.1 GB. Free memory is still 982.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:25:21,301 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 271.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.66 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 23.34 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 239.33 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1193.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.0 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.57 ms. Allocated memory is still 1.1 GB. Free memory is still 982.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 10 SDtfs, 10 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital46 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite139 ukn100 eq153 hnf93 smp64 dnf98 smp100 tf103 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 8 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...