./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7c87c9e4b733dad657e6ff9e27a5e9b26a2c3764 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:32:07,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:32:07,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:32:07,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:32:07,826 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:32:07,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:32:07,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:32:07,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:32:07,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:32:07,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:32:07,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:32:07,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:32:07,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:32:07,842 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:32:07,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:32:07,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:32:07,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:32:07,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:32:07,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:32:07,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:32:07,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:32:07,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:32:07,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:32:07,857 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:32:07,857 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:32:07,858 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:32:07,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:32:07,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:32:07,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:32:07,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:32:07,863 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:32:07,863 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:32:07,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:32:07,864 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:32:07,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:32:07,866 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:32:07,867 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:32:07,899 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:32:07,900 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:32:07,902 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:32:07,902 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:32:07,902 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:32:07,902 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:32:07,903 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:32:07,903 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:32:07,903 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:32:07,903 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:32:07,903 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:32:07,903 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:32:07,904 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:32:07,904 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:32:07,904 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:32:07,904 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:32:07,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:32:07,904 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:32:07,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:32:07,905 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:32:07,905 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:32:07,905 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:32:07,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:32:07,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:32:07,906 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:32:07,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:32:07,906 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:32:07,906 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:32:07,907 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:32:07,907 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 7c87c9e4b733dad657e6ff9e27a5e9b26a2c3764 [2019-01-01 21:32:07,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:32:07,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:32:07,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:32:07,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:32:07,962 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:32:07,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-01 21:32:08,028 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5262fb4e8/8c47be6100e24b7aaeb9fb81f63095af/FLAG11e041726 [2019-01-01 21:32:08,539 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:32:08,540 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-01 21:32:08,549 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5262fb4e8/8c47be6100e24b7aaeb9fb81f63095af/FLAG11e041726 [2019-01-01 21:32:08,885 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5262fb4e8/8c47be6100e24b7aaeb9fb81f63095af [2019-01-01 21:32:08,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:32:08,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:32:08,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:32:08,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:32:08,896 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:32:08,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:32:08" (1/1) ... [2019-01-01 21:32:08,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54008995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:08, skipping insertion in model container [2019-01-01 21:32:08,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:32:08" (1/1) ... [2019-01-01 21:32:08,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:32:08,933 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:32:09,105 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:32:09,111 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:32:09,128 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:32:09,143 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:32:09,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09 WrapperNode [2019-01-01 21:32:09,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:32:09,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:32:09,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:32:09,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:32:09,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:32:09,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:32:09,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:32:09,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:32:09,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... [2019-01-01 21:32:09,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:32:09,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:32:09,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:32:09,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:32:09,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:32:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:32:09,474 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:32:09,474 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:32:09,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:32:09 BoogieIcfgContainer [2019-01-01 21:32:09,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:32:09,476 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:32:09,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:32:09,480 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:32:09,481 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:32:09,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:32:08" (1/3) ... [2019-01-01 21:32:09,482 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6be146a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:32:09, skipping insertion in model container [2019-01-01 21:32:09,482 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:32:09,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:09" (2/3) ... [2019-01-01 21:32:09,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6be146a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:32:09, skipping insertion in model container [2019-01-01 21:32:09,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:32:09,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:32:09" (3/3) ... [2019-01-01 21:32:09,486 INFO L375 chiAutomizerObserver]: Analyzing ICFG MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c [2019-01-01 21:32:09,545 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:32:09,546 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:32:09,546 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:32:09,546 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:32:09,547 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:32:09,547 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:32:09,547 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:32:09,547 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:32:09,548 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:32:09,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:32:09,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:32:09,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:32:09,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:32:09,592 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:32:09,592 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:32:09,592 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:32:09,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:32:09,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:32:09,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:32:09,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:32:09,594 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:32:09,594 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:32:09,602 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 100;main_~z~0 := 1; 8#L22-2true [2019-01-01 21:32:09,603 INFO L796 eck$LassoCheckResult]: Loop: 8#L22-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_~y~0 - main_~z~0;main_~z~0 := -main_~z~0; 8#L22-2true [2019-01-01 21:32:09,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:09,610 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:32:09,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:09,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:09,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:09,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:09,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:09,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:09,711 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-01 21:32:09,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:09,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:09,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:09,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:09,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:09,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 21:32:09,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:09,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:09,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:09,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:09,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:09,861 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:09,995 WARN L181 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:10,068 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:10,069 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:10,069 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:10,069 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:10,069 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:32:10,070 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:10,070 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:10,070 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:10,070 INFO L131 ssoRankerPreferences]: Filename of dumped script: MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2019-01-01 21:32:10,070 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:10,071 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:10,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:10,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:10,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:10,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:10,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:10,438 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-01 21:32:10,704 WARN L181 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:10,931 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:10,932 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:10,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:10,940 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:10,947 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:10,947 INFO L448 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:10,970 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:10,971 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:11,010 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:11,011 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:11,016 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:11,016 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:11,019 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:11,020 INFO L448 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:11,041 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:11,041 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:11,078 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:11,079 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:11,085 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:11,085 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:11,116 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:32:11,117 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:11,152 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:32:11,156 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:11,157 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:11,157 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:11,157 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:11,157 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:32:11,157 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:11,158 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:11,159 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:11,159 INFO L131 ssoRankerPreferences]: Filename of dumped script: MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2019-01-01 21:32:11,159 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:11,159 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:11,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:11,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:11,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:11,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:11,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:11,402 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:11,548 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:11,550 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:11,558 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:32:11,560 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 [2019-01-01 21:32:11,562 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,563 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:11,570 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:11,570 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:11,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,590 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 [2019-01-01 21:32:11,591 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,591 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:11,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,593 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,593 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:11,594 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:11,594 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:11,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,603 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 [2019-01-01 21:32:11,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,604 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:11,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,604 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:11,605 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:11,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:11,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,611 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 [2019-01-01 21:32:11,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,612 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:11,616 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:11,620 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:11,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,629 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 [2019-01-01 21:32:11,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,630 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:11,635 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:11,635 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:11,760 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,760 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:32:11,761 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 [2019-01-01 21:32:11,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,763 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:11,771 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:11,771 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:11,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,781 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 [2019-01-01 21:32:11,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:11,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,784 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:11,785 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:11,785 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:11,786 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,791 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 [2019-01-01 21:32:11,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:11,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,795 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:11,795 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:11,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:11,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,801 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 [2019-01-01 21:32:11,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,804 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:11,815 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:11,815 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:11,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:11,829 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 [2019-01-01 21:32:11,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:11,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:11,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:11,833 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:11,840 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:11,842 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:11,903 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:32:11,949 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 21:32:11,949 INFO L444 ModelExtractionUtils]: 12 out of 21 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 21:32:11,952 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:32:11,960 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2019-01-01 21:32:11,964 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:32:11,965 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 4*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 199 f1 = 2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [2*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 - 199 >= 0] [2019-01-01 21:32:11,972 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-01-01 21:32:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:12,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:12,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:32:12,239 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-01-01 21:32:12,241 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2019-01-01 21:32:12,455 WARN L181 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-01-01 21:32:12,557 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2019-01-01 21:32:12,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-01 21:32:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-01 21:32:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-01-01 21:32:12,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2019-01-01 21:32:12,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:12,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-01 21:32:12,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:12,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2019-01-01 21:32:12,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:12,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-01-01 21:32:12,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:32:12,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-01-01 21:32:12,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:32:12,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:32:12,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:32:12,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:32:12,595 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:12,595 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:12,595 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:12,596 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:32:12,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:32:12,596 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:32:12,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:32:12,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:32:12 BoogieIcfgContainer [2019-01-01 21:32:12,609 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:32:12,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:32:12,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:32:12,612 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:32:12,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:32:09" (3/4) ... [2019-01-01 21:32:12,618 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:32:12,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:32:12,620 INFO L168 Benchmark]: Toolchain (without parser) took 3729.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.3 MB in the beginning and 970.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 94.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:12,623 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:12,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.56 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:12,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.99 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:12,627 INFO L168 Benchmark]: Boogie Preprocessor took 18.47 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:12,634 INFO L168 Benchmark]: RCFGBuilder took 278.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:12,639 INFO L168 Benchmark]: BuchiAutomizer took 3133.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.1 MB in the end (delta: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:12,640 INFO L168 Benchmark]: Witness Printer took 8.56 ms. Allocated memory is still 1.1 GB. Free memory is still 970.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:12,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 251.56 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 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 33.99 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.47 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 278.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3133.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.1 MB in the end (delta: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. * Witness Printer took 8.56 ms. Allocated memory is still 1.1 GB. Free memory is still 970.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 4 * x + -2 * y + 199 > 0 then 1 else 0), (if 4 * x + -2 * y + 199 > 0 then 4 * x + -2 * y + 199 else 2 * x + 199) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax141 hnf92 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...