./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:20:06,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:20:06,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:20:06,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:20:06,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:20:06,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:20:06,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:20:06,233 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:20:06,234 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:20:06,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:20:06,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:20:06,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:20:06,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:20:06,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:20:06,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:20:06,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:20:06,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:20:06,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:20:06,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:20:06,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:20:06,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:20:06,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:20:06,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:20:06,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:20:06,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:20:06,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:20:06,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:20:06,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:20:06,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:20:06,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:20:06,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:20:06,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:20:06,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:20:06,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:20:06,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:20:06,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:20:06,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-09 04:20:06,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:20:06,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:20:06,256 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:20:06,256 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:20:06,256 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 04:20:06,256 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 04:20:06,256 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 04:20:06,256 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 04:20:06,256 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 04:20:06,256 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 04:20:06,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:20:06,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 04:20:06,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:20:06,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 04:20:06,258 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 04:20:06,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:20:06,258 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 04:20:06,258 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 04:20:06,258 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 04:20:06,258 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_8553df04-39dc-4304-89c4-7c711e6520e6/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 -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2018-12-09 04:20:06,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:20:06,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:20:06,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:20:06,287 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:20:06,287 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:20:06,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c [2018-12-09 04:20:06,323 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/data/b3558a8a6/6646ef7a84b84dd5a44c8bb35b97d8fd/FLAG107ead196 [2018-12-09 04:20:06,737 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:20:06,737 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/sv-benchmarks/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c [2018-12-09 04:20:06,741 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/data/b3558a8a6/6646ef7a84b84dd5a44c8bb35b97d8fd/FLAG107ead196 [2018-12-09 04:20:06,749 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/bin-2019/uautomizer/data/b3558a8a6/6646ef7a84b84dd5a44c8bb35b97d8fd [2018-12-09 04:20:06,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:20:06,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:20:06,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:20:06,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:20:06,754 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:20:06,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06, skipping insertion in model container [2018-12-09 04:20:06,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:20:06,770 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:20:06,852 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:20:06,854 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:20:06,863 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:20:06,870 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:20:06,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06 WrapperNode [2018-12-09 04:20:06,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:20:06,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:20:06,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:20:06,871 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:20:06,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:20:06,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:20:06,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:20:06,897 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:20:06,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... [2018-12-09 04:20:06,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:20:06,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:20:06,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:20:06,909 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:20:06,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:20:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:20:07,046 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:20:07,046 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 04:20:07,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:07 BoogieIcfgContainer [2018-12-09 04:20:07,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:20:07,046 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 04:20:07,046 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 04:20:07,049 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 04:20:07,049 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 04:20:07,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 04:20:06" (1/3) ... [2018-12-09 04:20:07,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@634488b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 04:20:07, skipping insertion in model container [2018-12-09 04:20:07,050 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 04:20:07,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:20:06" (2/3) ... [2018-12-09 04:20:07,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@634488b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 04:20:07, skipping insertion in model container [2018-12-09 04:20:07,051 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 04:20:07,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:07" (3/3) ... [2018-12-09 04:20:07,052 INFO L375 chiAutomizerObserver]: Analyzing ICFG Pure3Phase_true-termination_true-valid-memsafety.c [2018-12-09 04:20:07,089 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 04:20:07,089 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 04:20:07,089 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 04:20:07,090 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 04:20:07,090 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 04:20:07,090 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 04:20:07,090 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 04:20:07,090 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 04:20:07,090 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 04:20:07,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-09 04:20:07,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-09 04:20:07,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 04:20:07,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 04:20:07,116 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-09 04:20:07,116 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 04:20:07,117 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 04:20:07,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-09 04:20:07,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-09 04:20:07,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 04:20:07,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 04:20:07,118 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-09 04:20:07,118 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 04:20:07,125 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2018-12-09 04:20:07,125 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2018-12-09 04:20:07,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:07,130 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2018-12-09 04:20:07,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:20:07,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:20:07,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:07,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:20:07,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:07,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:07,200 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2018-12-09 04:20:07,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:20:07,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:20:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:07,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:20:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:07,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:07,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2018-12-09 04:20:07,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:20:07,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:20:07,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:07,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:20:07,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:07,262 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 04:20:07,262 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 04:20:07,262 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 04:20:07,262 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 04:20:07,262 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 04:20:07,263 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 04:20:07,263 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 04:20:07,263 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 04:20:07,263 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-12-09 04:20:07,263 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 04:20:07,263 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 04:20:07,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,364 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 04:20:07,364 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:07,368 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:07,368 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:07,396 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 04:20:07,396 INFO L448 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_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:07,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:07,399 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:07,414 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 04:20:07,414 INFO L448 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_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:07,417 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:07,417 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:07,433 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 04:20:07,433 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:07,724 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 04:20:07,726 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 04:20:07,726 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 04:20:07,726 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 04:20:07,726 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 04:20:07,726 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 04:20:07,726 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 04:20:07,726 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 04:20:07,726 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 04:20:07,726 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration1_Loop [2018-12-09 04:20:07,726 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 04:20:07,726 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 04:20:07,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:07,775 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 04:20:07,780 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 04:20:07,781 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 [2018-12-09 04:20:07,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,783 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:07,786 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 04:20:07,787 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 04:20:07,793 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,793 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 [2018-12-09 04:20:07,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,794 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:07,796 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 04:20:07,796 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 04:20:07,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,802 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 [2018-12-09 04:20:07,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:07,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,803 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:07,804 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 04:20:07,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:07,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,811 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 [2018-12-09 04:20:07,811 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:07,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,812 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 04:20:07,812 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:07,812 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 04:20:07,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:07,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,817 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 04:20:07,817 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 [2018-12-09 04:20:07,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,818 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:07,820 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 04:20:07,820 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 04:20:07,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,824 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 [2018-12-09 04:20:07,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,825 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:07,827 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 04:20:07,827 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 04:20:07,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,834 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 [2018-12-09 04:20:07,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:07,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,834 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,835 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:07,835 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 04:20:07,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:07,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,841 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 [2018-12-09 04:20:07,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:07,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,841 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 04:20:07,841 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:07,842 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 04:20:07,842 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:07,845 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,845 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 04:20:07,845 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 [2018-12-09 04:20:07,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,846 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 04:20:07,847 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 04:20:07,847 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 04:20:07,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,850 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 [2018-12-09 04:20:07,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,851 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 04:20:07,852 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 04:20:07,852 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 04:20:07,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:07,856 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 [2018-12-09 04:20:07,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:07,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:07,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:07,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:07,857 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 04:20:07,857 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 04:20:07,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:07,863 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 04:20:07,869 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 04:20:07,869 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 04:20:07,870 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 04:20:07,870 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-09 04:20:07,871 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 04:20:07,871 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2018-12-09 04:20:07,872 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-09 04:20:07,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:20:07,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:20:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:20:07,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:20:08,042 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-09 04:20:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:20:08,145 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-09 04:20:08,146 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2018-12-09 04:20:08,220 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2018-12-09 04:20:08,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-12-09 04:20:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 04:20:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2018-12-09 04:20:08,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2018-12-09 04:20:08,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 04:20:08,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2018-12-09 04:20:08,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 04:20:08,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2018-12-09 04:20:08,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 04:20:08,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2018-12-09 04:20:08,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-09 04:20:08,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2018-12-09 04:20:08,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-12-09 04:20:08,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2018-12-09 04:20:08,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2018-12-09 04:20:08,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 04:20:08,231 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2018-12-09 04:20:08,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2018-12-09 04:20:08,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2018-12-09 04:20:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-12-09 04:20:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2018-12-09 04:20:08,248 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-12-09 04:20:08,248 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-12-09 04:20:08,248 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 04:20:08,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2018-12-09 04:20:08,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-09 04:20:08,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 04:20:08,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 04:20:08,249 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 04:20:08,249 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 04:20:08,249 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2018-12-09 04:20:08,249 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2018-12-09 04:20:08,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:08,249 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2018-12-09 04:20:08,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:20:08,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:20:08,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:08,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:20:08,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:08,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:08,256 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2018-12-09 04:20:08,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:20:08,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:20:08,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:08,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 04:20:08,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:08,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:08,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2018-12-09 04:20:08,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 04:20:08,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 04:20:08,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:08,261 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 04:20:08,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 04:20:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 04:20:08,282 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 04:20:08,282 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 04:20:08,282 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 04:20:08,282 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 04:20:08,282 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 04:20:08,283 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 04:20:08,283 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 04:20:08,283 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 04:20:08,283 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration2_Loop [2018-12-09 04:20:08,283 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 04:20:08,283 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 04:20:08,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:08,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:08,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:08,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:08,334 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 04:20:08,334 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:08,336 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:08,336 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:08,350 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 04:20:08,351 INFO L448 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_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:08,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:08,353 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:08,355 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 04:20:08,356 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:08,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:08,370 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:08,384 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 04:20:08,385 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:08,388 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 04:20:08,388 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8553df04-39dc-4304-89c4-7c711e6520e6/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 [2018-12-09 04:20:08,410 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 04:20:08,410 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 04:20:10,286 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 04:20:10,288 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 04:20:10,288 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 04:20:10,288 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 04:20:10,288 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 04:20:10,288 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 04:20:10,288 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 04:20:10,288 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 04:20:10,288 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 04:20:10,289 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration2_Loop [2018-12-09 04:20:10,289 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 04:20:10,289 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 04:20:10,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:10,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:10,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:10,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 04:20:10,337 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 04:20:10,337 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 04:20:10,338 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 [2018-12-09 04:20:10,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:10,339 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 04:20:10,339 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 04:20:10,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,341 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 [2018-12-09 04:20:10,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:10,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,342 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 04:20:10,342 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:10,342 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 04:20:10,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:10,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,344 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 [2018-12-09 04:20:10,344 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:10,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,345 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:10,345 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 04:20:10,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:10,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,348 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 [2018-12-09 04:20:10,348 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 04:20:10,349 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 04:20:10,349 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 04:20:10,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,351 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 04:20:10,352 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 [2018-12-09 04:20:10,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,352 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:10,353 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 04:20:10,353 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 04:20:10,354 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,355 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 [2018-12-09 04:20:10,355 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,355 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:10,355 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,355 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 04:20:10,355 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:10,356 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 04:20:10,356 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:10,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,358 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 [2018-12-09 04:20:10,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:10,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,359 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:10,359 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 04:20:10,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:10,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,362 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 [2018-12-09 04:20:10,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,363 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 04:20:10,364 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-09 04:20:10,364 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-09 04:20:10,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,366 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 04:20:10,366 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 [2018-12-09 04:20:10,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,367 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 04:20:10,368 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 04:20:10,368 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 04:20:10,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,370 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 [2018-12-09 04:20:10,371 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,371 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:10,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,371 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 04:20:10,371 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 04:20:10,371 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 04:20:10,371 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:10,374 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 04:20:10,374 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 [2018-12-09 04:20:10,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 04:20:10,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 04:20:10,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 04:20:10,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 04:20:10,375 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 04:20:10,375 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 04:20:10,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 04:20:10,379 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 04:20:10,385 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-12-09 04:20:10,385 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-09 04:20:10,385 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 04:20:10,385 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-09 04:20:10,385 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 04:20:10,385 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2018-12-09 04:20:10,386 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-09 04:20:10,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:20:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:20:10,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:20:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:20:10,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 04:20:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:20:10,527 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-09 04:20:10,527 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-12-09 04:20:10,577 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2018-12-09 04:20:10,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-09 04:20:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 04:20:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-12-09 04:20:10,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2018-12-09 04:20:10,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 04:20:10,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2018-12-09 04:20:10,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 04:20:10,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2018-12-09 04:20:10,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 04:20:10,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2018-12-09 04:20:10,579 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 04:20:10,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-12-09 04:20:10,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 04:20:10,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 04:20:10,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 04:20:10,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 04:20:10,580 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 04:20:10,580 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 04:20:10,580 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 04:20:10,580 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 04:20:10,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 04:20:10,580 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 04:20:10,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 04:20:10,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 04:20:10 BoogieIcfgContainer [2018-12-09 04:20:10,584 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 04:20:10,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:20:10,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:20:10,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:20:10,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:20:07" (3/4) ... [2018-12-09 04:20:10,586 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 04:20:10,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:20:10,587 INFO L168 Benchmark]: Toolchain (without parser) took 3836.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 962.4 MB in the beginning and 866.4 MB in the end (delta: 96.0 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2018-12-09 04:20:10,588 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:20:10,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.32 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:20:10,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.79 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:20:10,588 INFO L168 Benchmark]: Boogie Preprocessor took 11.19 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:20:10,589 INFO L168 Benchmark]: RCFGBuilder took 137.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 04:20:10,589 INFO L168 Benchmark]: BuchiAutomizer took 3537.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.4 MB in the end (delta: 256.2 MB). Peak memory consumption was 256.2 MB. Max. memory is 11.5 GB. [2018-12-09 04:20:10,589 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 866.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:20:10,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.32 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.79 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.19 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 137.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3537.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.4 MB in the end (delta: 256.2 MB). Peak memory consumption was 256.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 866.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...