./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 153d29cc59a928b964d34eac87caede5c68a6fb0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:18:28,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:18:28,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:18:28,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:18:28,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:18:28,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:18:28,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:18:28,181 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:18:28,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:18:28,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:18:28,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:18:28,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:18:28,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:18:28,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:18:28,185 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:18:28,186 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:18:28,186 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:18:28,187 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:18:28,189 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:18:28,190 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:18:28,190 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:18:28,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:18:28,193 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:18:28,193 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:18:28,193 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:18:28,194 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:18:28,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:18:28,195 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:18:28,196 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:18:28,196 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:18:28,196 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:18:28,197 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:18:28,197 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:18:28,197 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:18:28,198 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:18:28,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:18:28,199 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-09 23:18:28,210 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:18:28,210 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:18:28,211 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:18:28,211 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:18:28,211 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:18:28,211 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-09 23:18:28,211 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-09 23:18:28,212 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-09 23:18:28,212 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-09 23:18:28,212 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-09 23:18:28,212 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-09 23:18:28,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:18:28,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:18:28,212 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 23:18:28,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:18:28,213 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:18:28,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:18:28,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-09 23:18:28,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-09 23:18:28,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-09 23:18:28,214 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:18:28,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:18:28,214 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-09 23:18:28,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-09 23:18:28,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:18:28,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:18:28,214 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-09 23:18:28,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:18:28,215 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:18:28,215 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-09 23:18:28,216 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-09 23:18:28,216 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 -> 153d29cc59a928b964d34eac87caede5c68a6fb0 [2018-11-09 23:18:28,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:18:28,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:18:28,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:18:28,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:18:28,252 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:18:28,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-11-09 23:18:28,295 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/data/069e3c7a6/1dbcfac7061e438b85129687960c48bd/FLAG4d34def3d [2018-11-09 23:18:28,691 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:18:28,691 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-11-09 23:18:28,696 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/data/069e3c7a6/1dbcfac7061e438b85129687960c48bd/FLAG4d34def3d [2018-11-09 23:18:28,705 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/data/069e3c7a6/1dbcfac7061e438b85129687960c48bd [2018-11-09 23:18:28,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:18:28,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:18:28,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:18:28,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:18:28,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:18:28,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46673125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28, skipping insertion in model container [2018-11-09 23:18:28,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:18:28,732 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:18:28,828 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:18:28,831 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:18:28,840 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:18:28,849 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:18:28,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28 WrapperNode [2018-11-09 23:18:28,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:18:28,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:18:28,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:18:28,851 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:18:28,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:18:28,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:18:28,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:18:28,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:18:28,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... [2018-11-09 23:18:28,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:18:28,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:18:28,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:18:28,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:18:28,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:18:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:18:29,038 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:18:29,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:29 BoogieIcfgContainer [2018-11-09 23:18:29,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:18:29,039 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-09 23:18:29,039 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-09 23:18:29,041 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-09 23:18:29,042 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:18:29,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 11:18:28" (1/3) ... [2018-11-09 23:18:29,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@654d2ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:18:29, skipping insertion in model container [2018-11-09 23:18:29,043 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:18:29,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:18:28" (2/3) ... [2018-11-09 23:18:29,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@654d2ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:18:29, skipping insertion in model container [2018-11-09 23:18:29,043 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:18:29,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:29" (3/3) ... [2018-11-09 23:18:29,045 INFO L375 chiAutomizerObserver]: Analyzing ICFG gcnr2008_false-unreach-call_false-termination.i [2018-11-09 23:18:29,081 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:18:29,081 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-09 23:18:29,081 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-09 23:18:29,081 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-09 23:18:29,081 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:18:29,081 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:18:29,082 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-09 23:18:29,082 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:18:29,082 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-09 23:18:29,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-09 23:18:29,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-09 23:18:29,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:18:29,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:18:29,108 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-09 23:18:29,108 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-09 23:18:29,108 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-09 23:18:29,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-09 23:18:29,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-09 23:18:29,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:18:29,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:18:29,110 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-09 23:18:29,110 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-09 23:18:29,116 INFO L793 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 10#L13-3true [2018-11-09 23:18:29,117 INFO L795 eck$LassoCheckResult]: Loop: 10#L13-3true assume true; 13#L13-1true assume !!(main_#t~nondet1 != 0 && main_~y~0 < 10000);havoc main_#t~nondet1; 17#L14true assume main_#t~nondet2 != 0;havoc main_#t~nondet2;main_~x~0 := main_~x~0 + 1;main_~y~0 := main_~y~0 + 100; 8#L22-2true main_~w~0 := main_~w~0 + 1;main_~z~0 := main_~z~0 + 10; 10#L13-3true [2018-11-09 23:18:29,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:29,121 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-09 23:18:29,122 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:29,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:29,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:29,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:29,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:29,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1114299, now seen corresponding path program 1 times [2018-11-09 23:18:29,185 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:29,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:29,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:29,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:29,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:29,194 INFO L82 PathProgramCache]: Analyzing trace with hash 889541501, now seen corresponding path program 1 times [2018-11-09 23:18:29,194 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:29,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:29,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:29,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:29,267 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:18:29,268 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:18:29,268 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:18:29,268 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:18:29,268 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-09 23:18:29,268 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:29,268 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:18:29,269 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:18:29,269 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-11-09 23:18:29,269 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:18:29,269 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:18:29,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,404 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:18:29,405 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:29,408 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:29,431 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:29,458 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:29,458 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~w~0=0} Honda state: {ULTIMATE.start_main_~w~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~w~0=1}, {ULTIMATE.start_main_~w~0=0}] Lambdas: [12, 1, 14] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:29,485 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,513 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:29,513 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:29,536 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:29,536 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=-2}, {ULTIMATE.start_main_~x~0=4}, {ULTIMATE.start_main_~x~0=-1}] Lambdas: [3, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,552 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:29,552 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:29,555 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:29,555 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=7} Honda state: {ULTIMATE.start_main_#t~nondet2=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:29,571 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:29,574 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:29,574 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,597 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:29,597 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,614 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:29,614 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:29,645 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:29,645 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=3}, {ULTIMATE.start_main_~z~0=8}] Lambdas: [4, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:29,661 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:29,680 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:29,680 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:29,698 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-09 23:18:29,699 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:18:29,699 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:18:29,699 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:18:29,699 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:18:29,699 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-09 23:18:29,700 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:29,700 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:18:29,700 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:18:29,700 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-11-09 23:18:29,700 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:18:29,700 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:18:29,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:29,773 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:18:29,778 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-09 23:18:29,779 INFO L122 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 [2018-11-09 23:18:29,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:18:29,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:18:29,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:18:29,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:18:29,781 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:18:29,783 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:18:29,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:18:29,788 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:18:29,789 INFO L122 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 [2018-11-09 23:18:29,789 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:18:29,789 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:18:29,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:18:29,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:18:29,790 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:18:29,790 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:18:29,790 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:18:29,793 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:18:29,794 INFO L122 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 [2018-11-09 23:18:29,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:18:29,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:18:29,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:18:29,795 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-09 23:18:29,795 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:18:29,795 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-09 23:18:29,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:18:29,800 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:18:29,800 INFO L122 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 [2018-11-09 23:18:29,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:18:29,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:18:29,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:18:29,801 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-09 23:18:29,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:18:29,802 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-09 23:18:29,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:18:29,806 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:18:29,806 INFO L122 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 [2018-11-09 23:18:29,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:18:29,807 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:18:29,807 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:18:29,807 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:18:29,807 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:18:29,808 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:18:29,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:18:29,811 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:18:29,812 INFO L122 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 [2018-11-09 23:18:29,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:18:29,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:18:29,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:18:29,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:18:29,813 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:18:29,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:18:29,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:18:29,818 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-09 23:18:29,821 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-09 23:18:29,822 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-09 23:18:29,823 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-09 23:18:29,823 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-09 23:18:29,823 INFO L517 LassoAnalysis]: Proved termination. [2018-11-09 23:18:29,824 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 10049 Supporting invariants [] [2018-11-09 23:18:29,825 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-09 23:18:29,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:29,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:18:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:18:29,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:18:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:18:29,894 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-09 23:18:29,895 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 5 states. [2018-11-09 23:18:29,959 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 5 states. Result 72 states and 91 transitions. Complement of second has 8 states. [2018-11-09 23:18:29,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-09 23:18:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-09 23:18:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2018-11-09 23:18:29,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-09 23:18:29,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:18:29,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-09 23:18:29,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:18:29,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 42 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-09 23:18:29,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:18:29,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 91 transitions. [2018-11-09 23:18:29,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2018-11-09 23:18:29,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 30 states and 41 transitions. [2018-11-09 23:18:29,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2018-11-09 23:18:29,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-11-09 23:18:29,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 41 transitions. [2018-11-09 23:18:29,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-09 23:18:29,974 INFO L705 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2018-11-09 23:18:29,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 41 transitions. [2018-11-09 23:18:29,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-11-09 23:18:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-09 23:18:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2018-11-09 23:18:29,993 INFO L728 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2018-11-09 23:18:29,993 INFO L608 BuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2018-11-09 23:18:29,993 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-09 23:18:29,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 36 transitions. [2018-11-09 23:18:29,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2018-11-09 23:18:29,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:18:29,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:18:29,995 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-09 23:18:29,995 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-09 23:18:29,995 INFO L793 eck$LassoCheckResult]: Stem: 141#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 136#L13-3 assume true; 138#L13-1 [2018-11-09 23:18:29,995 INFO L795 eck$LassoCheckResult]: Loop: 138#L13-1 assume !!(main_#t~nondet1 != 0 && main_~y~0 < 10000);havoc main_#t~nondet1; 150#L14 assume !(main_#t~nondet2 != 0);havoc main_#t~nondet2; 155#L17 assume main_#t~nondet3 != 0;havoc main_#t~nondet3; 152#L18 assume !(main_~x~0 >= 4); 153#L22-2 main_~w~0 := main_~w~0 + 1;main_~z~0 := main_~z~0 + 10; 137#L13-3 assume true; 138#L13-1 [2018-11-09 23:18:29,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:29,995 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-09 23:18:29,995 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:29,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:29,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:29,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:30,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:30,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1247374286, now seen corresponding path program 1 times [2018-11-09 23:18:30,001 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:30,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:30,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:30,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:30,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:30,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:18:30,009 INFO L82 PathProgramCache]: Analyzing trace with hash 384065264, now seen corresponding path program 1 times [2018-11-09 23:18:30,009 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:18:30,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:18:30,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:30,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:18:30,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:18:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:18:30,045 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:18:30,046 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:18:30,046 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:18:30,046 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:18:30,046 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-09 23:18:30,046 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,046 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:18:30,046 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:18:30,046 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-11-09 23:18:30,046 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:18:30,046 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:18:30,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,115 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:18:30,115 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/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 [2018-11-09 23:18:30,129 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,129 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,161 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,161 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=9999} Honda state: {ULTIMATE.start_main_~y~0=9999} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,177 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,177 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,201 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,201 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=3} Honda state: {ULTIMATE.start_main_~x~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,209 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,227 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:30,228 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,265 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,265 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=-2}, {ULTIMATE.start_main_~z~0=14}, {ULTIMATE.start_main_~z~0=-2}] Lambdas: [8, 1, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,281 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,281 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,298 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:30,298 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,323 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,323 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~w~0=0} Honda state: {ULTIMATE.start_main_~w~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~w~0=1}, {ULTIMATE.start_main_~w~0=0}] Lambdas: [12, 1, 14] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,338 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,339 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,341 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,341 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,357 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,357 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,359 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,359 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,376 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,378 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,378 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-09 23:18:30,401 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:18:30,401 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:18:30,401 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:18:30,401 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:18:30,401 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-09 23:18:30,401 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,401 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:18:30,401 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:18:30,401 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-11-09 23:18:30,401 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:18:30,402 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:18:30,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:18:30,509 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:18:30,510 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,514 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,514 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,517 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,517 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,532 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,535 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,535 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,551 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,555 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,555 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,571 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:30,573 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:30,573 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,589 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-09 23:18:30,589 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:18:30,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-09 23:18:30,607 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-09 23:18:38,658 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-09 23:18:38,659 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~w~0=196, ULTIMATE.start_main_~z~0=-2048, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~w~0=196, ULTIMATE.start_main_~z~0=-2048, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~w~0=-391, ULTIMATE.start_main_~z~0=4106, ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 1] Nus: [1, 0] [2018-11-09 23:18:38,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 11:18:38 BoogieIcfgContainer [2018-11-09 23:18:38,687 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-09 23:18:38,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:18:38,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:18:38,688 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:18:38,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:18:29" (3/4) ... [2018-11-09 23:18:38,690 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-09 23:18:38,714 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_859b7d5f-44df-47fb-aab9-794a884ba2d1/bin-2019/uautomizer/witness.graphml [2018-11-09 23:18:38,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:18:38,715 INFO L168 Benchmark]: Toolchain (without parser) took 10007.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 960.2 MB in the beginning and 926.9 MB in the end (delta: 33.3 MB). Peak memory consumption was 217.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:38,716 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:18:38,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:38,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.05 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:18:38,717 INFO L168 Benchmark]: Boogie Preprocessor took 10.19 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:38,717 INFO L168 Benchmark]: RCFGBuilder took 158.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 946.7 MB in the beginning and 1.2 GB in the end (delta: -224.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:38,718 INFO L168 Benchmark]: BuchiAutomizer took 9647.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 930.1 MB in the end (delta: 241.2 MB). Peak memory consumption was 241.2 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:38,718 INFO L168 Benchmark]: Witness Printer took 26.74 ms. Allocated memory is still 1.2 GB. Free memory was 930.1 MB in the beginning and 926.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-09 23:18:38,721 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.05 ms. Allocated memory is still 1.0 GB. Free memory is still 949.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.19 ms. Allocated memory is still 1.0 GB. Free memory was 949.4 MB in the beginning and 946.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 946.7 MB in the beginning and 1.2 GB in the end (delta: -224.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9647.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 930.1 MB in the end (delta: 241.2 MB). Peak memory consumption was 241.2 MB. Max. memory is 11.5 GB. * Witness Printer took 26.74 ms. Allocated memory is still 1.2 GB. Free memory was 930.1 MB in the beginning and 926.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. 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) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * y + 10049 and consists of 5 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 9.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 24 SDslu, 25 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax100 hnf98 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq178 hnf94 smp100 dnf100 smp100 tf110 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.4s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 13]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73ceed2b=7, \result=0, w=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c34d9bd=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fbadc9a=0, z=0, x=0, y=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73ceed2b=7, \result=0, w=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c34d9bd=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fbadc9a=0, z=0, x=0, y=0} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73ceed2b=7 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, w=0 + sum_{k=0}^i 196*0^k + 196 + 196*k*0^(k-1) + -391, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c34d9bd=7 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fbadc9a=0 + sum_{k=0}^i 0, z=0 + sum_{k=0}^i -2048*0^k + -2048 + -2048*k*0^(k-1) + 4106, x=0 + sum_{k=0}^i 0, y=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 1, 1] Mus: [1, 0] - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] int x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 Loop: [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND TRUE __VERIFIER_nondet_int() [L18] COND FALSE !(x >= 4) [L25] w = w + 1 [L26] z = z + 10 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...