./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 0.1.25-f470102 [2019-12-07 11:29:28,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:29:28,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:29:28,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:29:28,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:29:28,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:29:28,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:29:28,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:29:28,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:29:28,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:29:28,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:29:28,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:29:28,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:29:28,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:29:28,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:29:28,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:29:28,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:29:28,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:29:28,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:29:28,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:29:28,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:29:28,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:29:28,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:29:28,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:29:28,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:29:28,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:29:28,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:29:28,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:29:28,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:29:28,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:29:28,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:29:28,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:29:28,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:29:28,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:29:28,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:29:28,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:29:28,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:29:28,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:29:28,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:29:28,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:29:28,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:29:28,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:29:28,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:29:28,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:29:28,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:29:28,331 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:29:28,331 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:29:28,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:29:28,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:29:28,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:29:28,333 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:29:28,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:29:28,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:29:28,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:29:28,334 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:29:28,334 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:29:28,335 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_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:28,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:29:28,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:29:28,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:29:28,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:29:28,445 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:29:28,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/../../sv-benchmarks/c/loop-lit/gj2007.i [2019-12-07 11:29:28,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/data/25d676afc/15d1895f7e224b5a98969aa987b7de86/FLAG30744a768 [2019-12-07 11:29:28,881 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:29:28,881 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/sv-benchmarks/c/loop-lit/gj2007.i [2019-12-07 11:29:28,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/data/25d676afc/15d1895f7e224b5a98969aa987b7de86/FLAG30744a768 [2019-12-07 11:29:28,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/data/25d676afc/15d1895f7e224b5a98969aa987b7de86 [2019-12-07 11:29:28,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:29:28,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:29:28,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:29:28,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:29:28,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:29:28,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:29:28" (1/1) ... [2019-12-07 11:29:28,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9c9906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:28, skipping insertion in model container [2019-12-07 11:29:28,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:29:28" (1/1) ... [2019-12-07 11:29:28,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:29:28,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:29:29,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:29:29,033 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:29:29,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:29:29,085 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:29:29,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29 WrapperNode [2019-12-07 11:29:29,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:29:29,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:29:29,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:29:29,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:29:29,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:29:29,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:29:29,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:29:29,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:29:29,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... [2019-12-07 11:29:29,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:29:29,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:29:29,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:29:29,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:29:29,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:29:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:29:29,255 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:29:29,255 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 11:29:29,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:29:29 BoogieIcfgContainer [2019-12-07 11:29:29,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:29:29,257 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:29:29,257 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:29:29,260 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:29:29,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:29:29,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:29:28" (1/3) ... [2019-12-07 11:29:29,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64f14b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:29:29, skipping insertion in model container [2019-12-07 11:29:29,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:29:29,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:29:29" (2/3) ... [2019-12-07 11:29:29,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64f14b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:29:29, skipping insertion in model container [2019-12-07 11:29:29,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:29:29,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:29:29" (3/3) ... [2019-12-07 11:29:29,265 INFO L371 chiAutomizerObserver]: Analyzing ICFG gj2007.i [2019-12-07 11:29:29,305 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:29:29,305 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:29:29,305 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:29:29,305 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:29:29,305 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:29:29,305 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:29:29,305 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:29:29,305 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:29:29,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-12-07 11:29:29,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 11:29:29,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:29:29,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:29:29,333 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 11:29:29,334 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 11:29:29,334 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:29:29,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-12-07 11:29:29,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 11:29:29,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:29:29,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:29:29,335 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 11:29:29,335 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 11:29:29,340 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 7#L14-2true [2019-12-07 11:29:29,340 INFO L796 eck$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 [2019-12-07 11:29:29,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,344 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 11:29:29,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:29:29,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918882156] [2019-12-07 11:29:29,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:29:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,415 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:29:29,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-12-07 11:29:29,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:29:29,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667048449] [2019-12-07 11:29:29,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:29:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,424 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:29:29,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,426 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-12-07 11:29:29,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:29:29,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782398481] [2019-12-07 11:29:29,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:29:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,437 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:29:29,468 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:29:29,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:29:29,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:29:29,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:29:29,469 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:29:29,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:29:29,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:29:29,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2019-12-07 11:29:29,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:29:29,470 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:29:29,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:29:29,513 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:29:29,514 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:29:29,518 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:29,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:29:29,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:29:29,533 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:29:29,534 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:29:29,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:29:29,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:29:29,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:29:29,535 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:29:29,535 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,535 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:29:29,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:29:29,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2019-12-07 11:29:29,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:29:29,535 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:29:29,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:29:29,555 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:29:29,558 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:29,561 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 [2019-12-07 11:29:29,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:29:29,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:29:29,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:29:29,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:29:29,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:29:29,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:29:29,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:29:29,568 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:29:29,573 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:29:29,573 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_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:29,576 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:29:29,576 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:29:29,577 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:29:29,577 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 99 Supporting invariants [] [2019-12-07 11:29:29,580 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:29:29,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:29:29,610 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:29:29,611 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:29:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:29:29,617 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:29:29,618 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:29:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:29:29,630 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 [2019-12-07 11:29:29,631 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2019-12-07 11:29:29,665 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. [2019-12-07 11:29:29,666 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 [2019-12-07 11:29:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 11:29:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-12-07 11:29:29,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 11:29:29,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:29:29,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 11:29:29,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:29:29,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 4 letters. [2019-12-07 11:29:29,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:29:29,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2019-12-07 11:29:29,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 11:29:29,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2019-12-07 11:29:29,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 11:29:29,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-12-07 11:29:29,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-12-07 11:29:29,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:29:29,678 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-12-07 11:29:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-12-07 11:29:29,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-12-07 11:29:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 11:29:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-12-07 11:29:29,695 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 11:29:29,695 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 11:29:29,695 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:29:29,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-12-07 11:29:29,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 11:29:29,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:29:29,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:29:29,696 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:29:29,696 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 11:29:29,697 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 73#L14-2 assume !!(main_~x~0 < 100); 75#L14 [2019-12-07 11:29:29,697 INFO L796 eck$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 [2019-12-07 11:29:29,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 11:29:29,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:29:29,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947097418] [2019-12-07 11:29:29,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:29:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,702 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:29:29,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-12-07 11:29:29,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:29:29,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484067122] [2019-12-07 11:29:29,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:29:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:29:29,710 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:29:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-12-07 11:29:29,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:29:29,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976174342] [2019-12-07 11:29:29,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:29:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:29:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:29:29,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976174342] [2019-12-07 11:29:29,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:29:29,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:29:29,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184538766] [2019-12-07 11:29:29,752 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:29:29,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:29:29,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:29:29,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:29:29,752 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:29:29,752 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,752 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:29:29,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:29:29,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2019-12-07 11:29:29,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:29:29,753 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:29:29,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:29:29,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:29:29,782 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:29:29,782 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:29,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:29:29,785 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/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 [2019-12-07 11:29:29,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:29:29,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:29:29,808 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:29:29,808 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/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:29:29,813 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:29:29,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:29:29,828 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:29:29,829 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:29:29,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:29:29,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:29:29,830 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:29:29,830 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:29:29,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:29:29,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:29:29,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2019-12-07 11:29:29,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:29:29,830 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:29:29,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:29:29,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:29:29,860 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:29:29,861 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,864 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 [2019-12-07 11:29:29,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:29:29,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:29:29,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:29:29,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:29:29,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:29:29,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:29:29,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:29:29,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,874 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 [2019-12-07 11:29:29,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:29:29,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:29:29,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:29:29,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:29:29,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:29:29,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:29:29,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:29:29,879 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:29:29,880 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:29:29,881 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_3aee25a0-d5f4-4885-9ed7-730c072721c2/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:29:29,883 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:29:29,884 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:29:29,884 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:29:29,884 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 197 Supporting invariants [] [2019-12-07 11:29:29,885 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:29:29,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:29:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:29:29,908 INFO L264 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:29:29,908 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:29:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:29:29,911 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:29:29,912 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:29:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:29:29,926 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 [2019-12-07 11:29:29,926 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 11:29:29,941 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. [2019-12-07 11:29:29,941 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 [2019-12-07 11:29:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 11:29:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-12-07 11:29:29,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 11:29:29,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:29:29,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 11:29:29,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:29:29,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 11:29:29,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:29:29,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2019-12-07 11:29:29,944 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:29:29,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 11:29:29,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:29:29,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:29:29,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:29:29,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:29:29,945 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:29:29,945 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:29:29,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:29:29,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:29:29,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:29:29,948 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 11:29:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:29:29,949 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:29:29,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:29:29,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:29:29,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:29:29,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:29:29,950 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:29:29,950 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 11:29:29,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:29:29,951 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:29:29,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:29:29,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:29:29 BoogieIcfgContainer [2019-12-07 11:29:29,955 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:29:29,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:29:29,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:29:29,955 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:29:29,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:29:29" (3/4) ... [2019-12-07 11:29:29,958 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:29:29,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:29:29,959 INFO L168 Benchmark]: Toolchain (without parser) took 1062.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 943.4 MB in the beginning and 949.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:29:29,960 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:29:29,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:29:29,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.95 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. [2019-12-07 11:29:29,961 INFO L168 Benchmark]: Boogie Preprocessor took 11.72 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. [2019-12-07 11:29:29,962 INFO L168 Benchmark]: RCFGBuilder took 138.26 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:29:29,963 INFO L168 Benchmark]: BuchiAutomizer took 697.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.6 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:29:29,963 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:29:29,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.95 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 11.72 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 138.26 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 697.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 949.6 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 949.6 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 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 0.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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: 18ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 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...