./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/array-memsafety/cstrncat-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/array-memsafety/cstrncat-alloca_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 8e5b411c800020cce3512b5f08fad6ae7c3970bd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:57:12,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:57:12,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:57:12,082 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:57:12,083 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:57:12,084 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:57:12,085 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:57:12,088 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:57:12,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:57:12,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:57:12,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:57:12,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:57:12,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:57:12,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:57:12,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:57:12,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:57:12,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:57:12,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:57:12,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:57:12,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:57:12,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:57:12,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:57:12,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:57:12,113 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:57:12,114 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:57:12,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:57:12,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:57:12,117 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:57:12,118 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:57:12,119 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:57:12,119 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:57:12,120 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:57:12,120 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:57:12,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:57:12,122 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:57:12,122 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:57:12,123 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:57:12,147 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:57:12,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:57:12,149 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:57:12,149 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:57:12,152 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:57:12,152 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:57:12,152 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:57:12,153 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:57:12,154 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:57:12,155 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:57:12,155 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:57:12,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:57:12,155 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:57:12,155 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:57:12,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:57:12,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:57:12,157 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:57:12,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:57:12,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:57:12,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:57:12,158 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:57:12,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:57:12,158 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:57:12,158 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:57:12,158 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:57:12,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:57:12,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:57:12,162 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:57:12,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:57:12,162 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:57:12,162 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:57:12,163 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:57:12,164 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e5b411c800020cce3512b5f08fad6ae7c3970bd [2019-01-14 04:57:12,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:57:12,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:57:12,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:57:12,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:57:12,229 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:57:12,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/cstrncat-alloca_true-valid-memsafety_true-termination.i [2019-01-14 04:57:12,292 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdcc057/bc59b5521af94bf1b2684094f69ffbf2/FLAG70daa2fc2 [2019-01-14 04:57:12,761 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:57:12,761 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/cstrncat-alloca_true-valid-memsafety_true-termination.i [2019-01-14 04:57:12,778 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdcc057/bc59b5521af94bf1b2684094f69ffbf2/FLAG70daa2fc2 [2019-01-14 04:57:13,086 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdcc057/bc59b5521af94bf1b2684094f69ffbf2 [2019-01-14 04:57:13,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:57:13,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:57:13,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:57:13,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:57:13,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:57:13,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bc7883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13, skipping insertion in model container [2019-01-14 04:57:13,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:57:13,151 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:57:13,552 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:57:13,570 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:57:13,632 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:57:13,700 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:57:13,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13 WrapperNode [2019-01-14 04:57:13,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:57:13,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:57:13,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:57:13,702 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:57:13,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:57:13,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:57:13,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:57:13,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:57:13,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (1/1) ... [2019-01-14 04:57:13,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:57:13,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:57:13,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:57:13,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:57:13,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (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 [2019-01-14 04:57:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 04:57:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 04:57:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:57:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 04:57:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:57:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:57:14,571 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:57:14,572 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-14 04:57:14,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:57:14 BoogieIcfgContainer [2019-01-14 04:57:14,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:57:14,573 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:57:14,574 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:57:14,578 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:57:14,579 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:57:14,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:57:13" (1/3) ... [2019-01-14 04:57:14,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c843df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:57:14, skipping insertion in model container [2019-01-14 04:57:14,580 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:57:14,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:57:13" (2/3) ... [2019-01-14 04:57:14,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c843df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:57:14, skipping insertion in model container [2019-01-14 04:57:14,581 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:57:14,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:57:14" (3/3) ... [2019-01-14 04:57:14,582 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca_true-valid-memsafety_true-termination.i [2019-01-14 04:57:14,640 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:57:14,640 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:57:14,640 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:57:14,641 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:57:14,641 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:57:14,641 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:57:14,641 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:57:14,641 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:57:14,641 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:57:14,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-01-14 04:57:14,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-01-14 04:57:14,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:57:14,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:57:14,685 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:57:14,685 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 04:57:14,685 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:57:14,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-01-14 04:57:14,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-01-14 04:57:14,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:57:14,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:57:14,689 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:57:14,689 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 04:57:14,698 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 4#L557true assume !(main_~length1~0 < 1); 6#L557-2true assume !(main_~length2~0 < 1); 20#L560-1true assume !(main_~n~0 < 1); 12#L563-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 15#L543-3true [2019-01-14 04:57:14,699 INFO L796 eck$LassoCheckResult]: Loop: 15#L543-3true call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 9#L543-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 15#L543-3true [2019-01-14 04:57:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:57:14,707 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-01-14 04:57:14,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:57:14,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:57:14,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:14,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:57:14,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:57:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:57:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:57:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-01-14 04:57:14,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:57:14,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:57:14,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:14,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:57:14,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:57:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:57:14,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:57:14,895 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-01-14 04:57:14,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:57:14,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:57:14,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:14,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:57:14,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:57:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:57:16,308 WARN L181 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-01-14 04:57:16,527 WARN L181 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-01-14 04:57:16,539 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:57:16,540 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:57:16,540 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:57:16,540 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:57:16,540 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:57:16,540 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:57:16,544 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:57:16,544 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:57:16,544 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2019-01-14 04:57:16,545 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:57:16,545 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:57:16,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:16,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:17,276 WARN L181 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-01-14 04:57:17,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:17,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:17,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:57:18,411 WARN L181 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-01-14 04:57:18,591 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:57:18,597 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:57:18,600 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 [2019-01-14 04:57:18,601 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,602 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,604 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,607 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,611 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 [2019-01-14 04:57:18,611 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,613 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,613 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,617 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,618 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,624 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 [2019-01-14 04:57:18,624 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,624 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,626 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,626 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,627 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,629 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 [2019-01-14 04:57:18,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,630 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,630 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,634 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 [2019-01-14 04:57:18,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,635 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,636 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,636 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,639 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 [2019-01-14 04:57:18,640 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,640 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,641 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,641 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,645 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 [2019-01-14 04:57:18,646 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,646 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,649 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,650 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,654 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,655 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 [2019-01-14 04:57:18,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,656 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,657 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,657 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,657 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,659 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,659 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,660 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,661 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 [2019-01-14 04:57:18,661 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,661 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,662 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,662 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,662 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,663 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,666 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 [2019-01-14 04:57:18,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,669 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,670 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,672 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 [2019-01-14 04:57:18,673 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,674 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,674 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,675 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,675 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,677 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,678 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 [2019-01-14 04:57:18,678 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,680 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,681 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,681 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,683 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,684 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 [2019-01-14 04:57:18,684 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,684 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,686 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,687 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,687 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,689 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 [2019-01-14 04:57:18,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,712 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,717 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,717 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 [2019-01-14 04:57:18,718 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,718 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,719 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,721 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,721 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,722 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 [2019-01-14 04:57:18,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,725 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,726 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,727 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,727 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 [2019-01-14 04:57:18,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,730 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,731 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,731 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,732 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,734 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 [2019-01-14 04:57:18,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,735 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,737 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:57:18,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,739 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,740 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 [2019-01-14 04:57:18,740 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,740 INFO L205 nArgumentSynthesizer]: 4 stem disjuncts [2019-01-14 04:57:18,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,741 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,750 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 04:57:18,750 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,822 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 [2019-01-14 04:57:18,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,824 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,826 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,829 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,854 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 [2019-01-14 04:57:18,859 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,861 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,861 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,871 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 [2019-01-14 04:57:18,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,875 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,876 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,876 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,886 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 [2019-01-14 04:57:18,887 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,887 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,888 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,888 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,899 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 [2019-01-14 04:57:18,900 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,900 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,904 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,904 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,908 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,909 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 [2019-01-14 04:57:18,910 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,910 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,913 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,913 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:18,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,917 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 [2019-01-14 04:57:18,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:57:18,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,918 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:57:18,918 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,921 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 04:57:18,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:57:18,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:57:18,925 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:57:18,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:57:18,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:57:18,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:57:18,926 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:57:18,934 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:57:18,937 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:57:19,023 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:57:19,066 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-01-14 04:57:19,067 INFO L444 ModelExtractionUtils]: 38 out of 43 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-01-14 04:57:19,070 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:57:19,072 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-14 04:57:19,073 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:57:19,074 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2019-01-14 04:57:19,311 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-01-14 04:57:19,344 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2019-01-14 04:57:19,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:57:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:57:19,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:57:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:57:19,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:57:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:57:19,747 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 04:57:19,749 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-01-14 04:57:19,910 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 50 states and 73 transitions. Complement of second has 8 states. [2019-01-14 04:57:19,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 04:57:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 04:57:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2019-01-14 04:57:19,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2019-01-14 04:57:19,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:57:19,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2019-01-14 04:57:19,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:57:19,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2019-01-14 04:57:19,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:57:19,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2019-01-14 04:57:19,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 04:57:19,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2019-01-14 04:57:19,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-01-14 04:57:19,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-01-14 04:57:19,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-01-14 04:57:19,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 04:57:19,929 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-01-14 04:57:19,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-01-14 04:57:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-01-14 04:57:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-14 04:57:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-01-14 04:57:19,953 INFO L729 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-01-14 04:57:19,953 INFO L609 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-01-14 04:57:19,953 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:57:19,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-01-14 04:57:19,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 04:57:19,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:57:19,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:57:19,957 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:57:19,957 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 04:57:19,957 INFO L794 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 161#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 162#L557 assume !(main_~length1~0 < 1); 167#L557-2 assume !(main_~length2~0 < 1); 177#L560-1 assume !(main_~n~0 < 1); 172#L563-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 173#L543-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 163#L543-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 164#L545-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 179#L545 assume !cstrncat_#t~short6; 175#L545-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 178#L545-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 169#L545 [2019-01-14 04:57:19,957 INFO L796 eck$LassoCheckResult]: Loop: 169#L545 assume !cstrncat_#t~short6; 174#L545-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 168#L545-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 169#L545 [2019-01-14 04:57:19,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:57:19,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2019-01-14 04:57:19,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:57:19,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:57:19,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:19,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:57:19,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:57:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:57:20,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:57:20,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:57:20,077 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:57:20,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:57:20,078 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2019-01-14 04:57:20,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:57:20,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:57:20,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:20,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:57:20,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:57:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:57:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:57:20,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:57:20,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 04:57:20,104 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:57:20,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:57:20,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:57:20,108 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-01-14 04:57:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:57:20,126 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-01-14 04:57:20,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:57:20,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-01-14 04:57:20,130 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:57:20,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-01-14 04:57:20,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:57:20,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:57:20,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:57:20,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:57:20,132 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:57:20,132 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:57:20,132 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:57:20,132 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:57:20,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:57:20,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:57:20,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:57:20,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:57:20 BoogieIcfgContainer [2019-01-14 04:57:20,139 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:57:20,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:57:20,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:57:20,139 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:57:20,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:57:14" (3/4) ... [2019-01-14 04:57:20,145 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:57:20,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:57:20,146 INFO L168 Benchmark]: Toolchain (without parser) took 7055.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:57:20,147 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:57:20,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:57:20,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:57:20,151 INFO L168 Benchmark]: Boogie Preprocessor took 32.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:57:20,152 INFO L168 Benchmark]: RCFGBuilder took 702.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:57:20,152 INFO L168 Benchmark]: BuchiAutomizer took 5565.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -51.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:57:20,154 INFO L168 Benchmark]: Witness Printer took 6.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:57:20,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 607.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 136.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 702.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5565.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -51.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 4.7s. 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 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 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 35 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf98 lsp97 ukn76 mio100 lsp41 div100 bol100 ite100 ukn100 eq187 hnf88 smp100 dnf240 smp97 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 81ms VariablesStem: 10 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...