./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 64bit --witnessprinter.graph.data.programhash ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:09,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:09,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:09,162 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:09,162 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:09,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:09,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:09,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:09,168 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:09,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:09,169 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:09,169 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:09,170 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:09,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:09,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:09,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:09,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:09,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:09,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:09,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:09,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:09,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:09,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:09,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:09,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:09,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:09,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:09,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:09,192 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:09,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:09,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:09,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:09,193 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:09,193 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:09,197 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:09,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:09,198 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:06:09,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:09,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:09,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:09,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:09,214 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:09,214 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:09,214 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:09,215 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:09,215 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:09,215 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:09,215 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:09,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:09,215 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:09,216 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:09,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:09,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:09,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:09,217 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:09,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:09,217 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:09,217 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:09,221 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:09,221 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_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 [2018-10-27 06:06:09,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:09,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:09,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:09,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:09,288 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:09,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c [2018-10-27 06:06:09,336 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/data/1d74b79c7/bccc6f264a5d4763b51113c3773bf58d/FLAG017f48c20 [2018-10-27 06:06:09,724 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:09,725 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c [2018-10-27 06:06:09,731 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/data/1d74b79c7/bccc6f264a5d4763b51113c3773bf58d/FLAG017f48c20 [2018-10-27 06:06:09,742 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/bin-2019/uautomizer/data/1d74b79c7/bccc6f264a5d4763b51113c3773bf58d [2018-10-27 06:06:09,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:09,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:09,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:09,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:09,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:09,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a63995c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09, skipping insertion in model container [2018-10-27 06:06:09,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:09,778 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:09,906 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:09,910 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:09,926 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:09,938 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:09,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09 WrapperNode [2018-10-27 06:06:09,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:09,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:09,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:09,939 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:09,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:09,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:09,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:09,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:09,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... [2018-10-27 06:06:09,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:09,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:09,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:09,980 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:09,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:10,452 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:10,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:10 BoogieIcfgContainer [2018-10-27 06:06:10,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:10,453 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:10,454 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:10,457 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:10,458 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:10,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:09" (1/3) ... [2018-10-27 06:06:10,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@799c3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:10, skipping insertion in model container [2018-10-27 06:06:10,459 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:10,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:09" (2/3) ... [2018-10-27 06:06:10,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@799c3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:10, skipping insertion in model container [2018-10-27 06:06:10,459 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:10,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:10" (3/3) ... [2018-10-27 06:06:10,461 INFO L375 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c [2018-10-27 06:06:10,522 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:10,523 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:10,523 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:10,523 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:10,523 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:10,524 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:10,524 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:10,524 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:10,524 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:10,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-10-27 06:06:10,561 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:10,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:10,561 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:10,567 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:10,568 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:10,568 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:10,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-10-27 06:06:10,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:10,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:10,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:10,571 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:10,571 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:10,578 INFO L793 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L20true assume !!(-268435455 <= main_~y~0); 11#L21true assume !!(-268435455 <= main_~z~0); 14#L22true assume main_#t~nondet2 != 0;havoc main_#t~nondet2;main_~x~0 := 1; 8#L22-2true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 3#L27-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 10#L32-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 21#L37-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 6#L42-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 20#L47-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 5#L52-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 17#L57-1true assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 15#L67-2true [2018-10-27 06:06:10,578 INFO L795 eck$LassoCheckResult]: Loop: 15#L67-2true assume true; 19#L67true assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 15#L67-2true [2018-10-27 06:06:10,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:10,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1202253379, now seen corresponding path program 1 times [2018-10-27 06:06:10,585 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:10,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:10,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:10,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:10,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:10,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:06:10,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:06:10,740 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-10-27 06:06:10,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:10,741 INFO L82 PathProgramCache]: Analyzing trace with hash 3175, now seen corresponding path program 1 times [2018-10-27 06:06:10,741 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:10,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:10,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:10,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:10,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:10,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:06:10,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:06:10,837 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-10-27 06:06:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:11,004 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2018-10-27 06:06:11,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:06:11,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2018-10-27 06:06:11,008 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-10-27 06:06:11,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 25 states and 34 transitions. [2018-10-27 06:06:11,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2018-10-27 06:06:11,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2018-10-27 06:06:11,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2018-10-27 06:06:11,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:11,013 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2018-10-27 06:06:11,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2018-10-27 06:06:11,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2018-10-27 06:06:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-10-27 06:06:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2018-10-27 06:06:11,033 INFO L728 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2018-10-27 06:06:11,033 INFO L608 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2018-10-27 06:06:11,033 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:06:11,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2018-10-27 06:06:11,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:11,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:11,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:11,036 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:11,036 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:11,037 INFO L793 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 70#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 67#L20 assume !!(-268435455 <= main_~y~0); 68#L21 assume !!(-268435455 <= main_~z~0); 72#L22 assume !(main_#t~nondet2 != 0);havoc main_#t~nondet2;main_~x~0 := -1; 74#L22-2 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 61#L27-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 62#L32-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 71#L37-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 65#L42-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 66#L47-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 63#L52-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 64#L57-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 75#L67-2 [2018-10-27 06:06:11,037 INFO L795 eck$LassoCheckResult]: Loop: 75#L67-2 assume true; 76#L67 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 75#L67-2 [2018-10-27 06:06:11,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:11,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1547022655, now seen corresponding path program 1 times [2018-10-27 06:06:11,037 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:11,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:11,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:11,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:11,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:06:11,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:06:11,064 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-10-27 06:06:11,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:11,064 INFO L82 PathProgramCache]: Analyzing trace with hash 3175, now seen corresponding path program 2 times [2018-10-27 06:06:11,064 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:11,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:11,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:11,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:06:11,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:06:11,204 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 10 Second operand 3 states. [2018-10-27 06:06:11,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:11,359 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-10-27 06:06:11,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:06:11,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2018-10-27 06:06:11,361 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-10-27 06:06:11,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 26 transitions. [2018-10-27 06:06:11,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2018-10-27 06:06:11,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2018-10-27 06:06:11,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 26 transitions. [2018-10-27 06:06:11,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:11,363 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-10-27 06:06:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 26 transitions. [2018-10-27 06:06:11,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2018-10-27 06:06:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-10-27 06:06:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-10-27 06:06:11,365 INFO L728 BuchiCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-10-27 06:06:11,365 INFO L608 BuchiCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-10-27 06:06:11,365 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:06:11,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 24 transitions. [2018-10-27 06:06:11,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:11,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:11,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:11,367 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:11,367 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:11,367 INFO L793 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 121#L20 assume !!(-268435455 <= main_~y~0); 122#L21 assume !!(-268435455 <= main_~z~0); 126#L22 assume !(main_#t~nondet2 != 0);havoc main_#t~nondet2;main_~x~0 := -1; 128#L22-2 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 137#L27-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 136#L32-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 135#L37-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 134#L42-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 133#L47-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 132#L52-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 131#L57-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 129#L67-2 [2018-10-27 06:06:11,367 INFO L795 eck$LassoCheckResult]: Loop: 129#L67-2 assume true; 130#L67 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 129#L67-2 [2018-10-27 06:06:11,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:11,367 INFO L82 PathProgramCache]: Analyzing trace with hash -522195007, now seen corresponding path program 1 times [2018-10-27 06:06:11,368 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:11,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:11,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:11,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:11,401 INFO L82 PathProgramCache]: Analyzing trace with hash 3175, now seen corresponding path program 3 times [2018-10-27 06:06:11,401 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:11,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:11,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:11,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:11,408 INFO L82 PathProgramCache]: Analyzing trace with hash 681774119, now seen corresponding path program 1 times [2018-10-27 06:06:11,408 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:11,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:11,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,409 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:11,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:11,628 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2018-10-27 06:06:11,668 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:11,669 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:11,669 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:11,669 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:11,669 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:11,669 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:11,669 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:11,669 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:11,670 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c_Iteration3_Lasso [2018-10-27 06:06:11,670 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:11,670 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:11,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:11,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:11,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:11,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:11,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:11,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:11,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:12,007 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 06:06:12,184 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:12,185 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,194 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,194 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:12,210 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:12,210 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,232 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,232 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:12,253 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:12,253 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,273 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:12,277 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:12,277 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,299 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,300 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:12,302 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:12,302 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_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,324 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,325 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:12,328 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:12,328 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_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,350 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,351 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:12,370 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:12,370 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,373 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:12,374 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:12,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:12,399 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:24,459 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:24,465 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:24,465 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:24,465 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:24,465 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:24,466 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:24,466 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:24,466 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:24,466 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:24,466 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c_Iteration3_Lasso [2018-10-27 06:06:24,466 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:24,466 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:24,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:24,698 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 06:06:24,890 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 06:06:24,891 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:24,895 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:24,896 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 [2018-10-27 06:06:24,897 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:24,898 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,898 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,898 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,899 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:24,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:24,901 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:24,901 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 [2018-10-27 06:06:24,902 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,902 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:24,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,902 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,903 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:24,903 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:24,904 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:24,904 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 [2018-10-27 06:06:24,905 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,905 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,905 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,905 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,910 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:24,912 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:24,916 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:24,916 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 [2018-10-27 06:06:24,916 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:24,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,917 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,917 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:24,918 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:24,923 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:24,925 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 [2018-10-27 06:06:24,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,925 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:24,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,926 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,928 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:24,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:24,929 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:24,929 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 [2018-10-27 06:06:24,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,930 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,932 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:24,932 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:24,940 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:24,941 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 [2018-10-27 06:06:24,946 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:24,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:24,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:24,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:24,950 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:24,951 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:24,977 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:24,990 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:24,990 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:24,992 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:24,995 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-10-27 06:06:24,995 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:24,995 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 207 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 9 >= 0] [2018-10-27 06:06:25,032 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-10-27 06:06:25,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:25,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:25,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:25,355 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2018-10-27 06:06:25,355 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 24 transitions. cyclomatic complexity: 2 Second operand 11 states. [2018-10-27 06:06:25,576 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 24 transitions. cyclomatic complexity: 2. Second operand 11 states. Result 27 states and 29 transitions. Complement of second has 12 states. [2018-10-27 06:06:25,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 9 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-10-27 06:06:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 26 transitions. [2018-10-27 06:06:25,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 13 letters. Loop has 2 letters. [2018-10-27 06:06:25,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:25,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 15 letters. Loop has 2 letters. [2018-10-27 06:06:25,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:25,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 13 letters. Loop has 4 letters. [2018-10-27 06:06:25,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:25,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 29 transitions. [2018-10-27 06:06:25,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:25,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 15 states and 15 transitions. [2018-10-27 06:06:25,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2018-10-27 06:06:25,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2018-10-27 06:06:25,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 15 transitions. [2018-10-27 06:06:25,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:25,583 INFO L705 BuchiCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-10-27 06:06:25,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 15 transitions. [2018-10-27 06:06:25,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-27 06:06:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-27 06:06:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-10-27 06:06:25,584 INFO L728 BuchiCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-10-27 06:06:25,584 INFO L608 BuchiCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-10-27 06:06:25,584 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-10-27 06:06:25,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 15 transitions. [2018-10-27 06:06:25,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:25,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:25,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:25,585 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:25,586 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:25,586 INFO L793 eck$LassoCheckResult]: Stem: 274#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 268#L20 assume !!(-268435455 <= main_~y~0); 269#L21 assume !!(-268435455 <= main_~z~0); 273#L22 assume main_#t~nondet2 != 0;havoc main_#t~nondet2;main_~x~0 := 1; 270#L22-2 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 262#L27-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 263#L32-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 271#L37-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 266#L42-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 267#L47-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 264#L52-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 265#L57-1 assume main_~x~0 > 0;main_~x~0 := main_~x~0 + 1; 275#L67-2 [2018-10-27 06:06:25,589 INFO L795 eck$LassoCheckResult]: Loop: 275#L67-2 assume true; 276#L67 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 275#L67-2 [2018-10-27 06:06:25,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:25,589 INFO L82 PathProgramCache]: Analyzing trace with hash 2067886271, now seen corresponding path program 1 times [2018-10-27 06:06:25,589 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:25,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:25,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:25,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:25,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:25,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:25,603 INFO L82 PathProgramCache]: Analyzing trace with hash 3175, now seen corresponding path program 4 times [2018-10-27 06:06:25,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:25,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:25,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:25,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:25,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:25,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:25,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1331149403, now seen corresponding path program 1 times [2018-10-27 06:06:25,609 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:25,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:25,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:25,610 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:25,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:25,736 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:25,736 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:25,736 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:25,736 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:25,736 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:25,737 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:25,737 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:25,737 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:25,737 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c_Iteration4_Lasso [2018-10-27 06:06:25,737 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:25,737 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:25,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:25,924 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:25,924 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:25,932 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:25,932 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:25,953 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:25,953 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:25,960 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:25,961 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:25,962 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:25,962 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:25,980 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:25,980 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea1ec4fe-cd34-4a0c-8821-98050f23164a/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 [2018-10-27 06:06:26,007 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:26,007 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:38,064 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:38,070 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:38,070 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:38,070 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:38,070 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:38,071 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:38,071 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:38,071 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:38,071 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:38,071 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop_true-termination_true-valid-memsafety.c_Iteration4_Lasso [2018-10-27 06:06:38,071 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:38,071 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:38,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:38,135 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:38,136 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:38,136 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 [2018-10-27 06:06:38,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:38,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:38,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:38,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:38,139 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:38,139 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:38,169 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:38,181 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:06:38,181 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-10-27 06:06:38,181 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:38,183 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-10-27 06:06:38,183 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:38,183 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 207 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 9 >= 0] [2018-10-27 06:06:38,231 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-10-27 06:06:38,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:38,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:38,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:38,547 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2018-10-27 06:06:38,547 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 15 transitions. cyclomatic complexity: 1 Second operand 11 states. [2018-10-27 06:06:38,652 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 15 transitions. cyclomatic complexity: 1. Second operand 11 states. Result 17 states and 18 transitions. Complement of second has 12 states. [2018-10-27 06:06:38,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 9 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-10-27 06:06:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2018-10-27 06:06:38,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2018-10-27 06:06:38,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:38,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2018-10-27 06:06:38,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:38,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 15 transitions. Stem has 13 letters. Loop has 4 letters. [2018-10-27 06:06:38,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:38,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2018-10-27 06:06:38,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:38,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2018-10-27 06:06:38,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:38,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:38,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:38,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:38,656 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:38,657 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:38,657 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:38,657 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-10-27 06:06:38,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:06:38,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:38,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:06:38,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:38 BoogieIcfgContainer [2018-10-27 06:06:38,665 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:38,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:38,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:38,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:38,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:10" (3/4) ... [2018-10-27 06:06:38,669 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:38,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:38,670 INFO L168 Benchmark]: Toolchain (without parser) took 28925.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 960.7 MB in the beginning and 1.2 GB in the end (delta: -213.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:38,671 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-27 06:06:38,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.55 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:38,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:38,673 INFO L168 Benchmark]: Boogie Preprocessor took 14.00 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:38,673 INFO L168 Benchmark]: RCFGBuilder took 473.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -206.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:38,674 INFO L168 Benchmark]: BuchiAutomizer took 28211.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 54.5 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -20.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:38,677 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:38,680 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 192.55 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.00 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 473.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -206.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 28211.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 54.5 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -20.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.30 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * z + 207 and consists of 11 locations. One deterministic module has affine ranking function -2 * y + 207 and consists of 11 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 28.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 26.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 62 SDtfs, 31 SDslu, 30 SDs, 0 SdLazy, 102 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax135 hnf95 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...