./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i -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 0131b237d1353fa18fec727a7424c78c2056aaff ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:01:31,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:01:31,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:01:31,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:01:31,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:01:31,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:01:31,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:01:31,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:01:31,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:01:31,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:01:31,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:01:31,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:01:31,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:01:31,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:01:31,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:01:31,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:01:31,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:01:31,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:01:31,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:01:31,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:01:31,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:01:31,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:01:31,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:01:31,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:01:31,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:01:31,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:01:31,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:01:31,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:01:31,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:01:31,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:01:31,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:01:31,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:01:31,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:01:31,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:01:31,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:01:31,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:01:31,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:01:31,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:01:31,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:01:31,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:01:31,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:01:31,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:01:31,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:01:31,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:01:31,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:01:31,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:01:31,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:01:31,244 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:01:31,244 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:01:31,244 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:01:31,245 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:01:31,245 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:01:31,245 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:01:31,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:01:31,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:01:31,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:01:31,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:01:31,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:01:31,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:01:31,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:01:31,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:01:31,247 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:01:31,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:01:31,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:01:31,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:01:31,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:01:31,248 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:01:31,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:01:31,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:01:31,249 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:01:31,250 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:01:31,250 INFO L138 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 -> 0131b237d1353fa18fec727a7424c78c2056aaff [2019-11-28 03:01:31,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:01:31,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:01:31,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:01:31,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:01:31,582 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:01:31,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2019-11-28 03:01:31,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ff50e934/2715bc0e843746b6b28125861628a157/FLAG8506a638f [2019-11-28 03:01:32,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:01:32,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2019-11-28 03:01:32,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ff50e934/2715bc0e843746b6b28125861628a157/FLAG8506a638f [2019-11-28 03:01:32,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ff50e934/2715bc0e843746b6b28125861628a157 [2019-11-28 03:01:32,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:01:32,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:01:32,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:32,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:01:32,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:01:32,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:32" (1/1) ... [2019-11-28 03:01:32,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673d4137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:32, skipping insertion in model container [2019-11-28 03:01:32,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:32" (1/1) ... [2019-11-28 03:01:32,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:01:32,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:01:33,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:33,021 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:01:33,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:33,137 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:01:33,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33 WrapperNode [2019-11-28 03:01:33,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:33,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:33,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:01:33,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:01:33,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:33,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:01:33,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:01:33,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:01:33,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (1/1) ... [2019-11-28 03:01:33,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:01:33,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:01:33,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:01:33,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:01:33,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (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 [2019-11-28 03:01:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:01:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:01:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:01:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:01:33,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:01:33,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:01:33,574 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:01:33,574 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:01:33,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:33 BoogieIcfgContainer [2019-11-28 03:01:33,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:01:33,576 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:01:33,577 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:01:33,580 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:01:33,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:33,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:32" (1/3) ... [2019-11-28 03:01:33,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70e328c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:33, skipping insertion in model container [2019-11-28 03:01:33,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:33,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:33" (2/3) ... [2019-11-28 03:01:33,583 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70e328c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:33, skipping insertion in model container [2019-11-28 03:01:33,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:33,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:33" (3/3) ... [2019-11-28 03:01:33,586 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-1.i [2019-11-28 03:01:33,631 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:01:33,631 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:01:33,631 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:01:33,631 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:01:33,631 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:01:33,632 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:01:33,632 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:01:33,632 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:01:33,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:01:33,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 03:01:33,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:33,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:33,669 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:01:33,669 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:01:33,669 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:01:33,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:01:33,671 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 03:01:33,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:33,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:33,672 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:01:33,672 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:01:33,679 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#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; 13#L564true assume !(main_~length1~0 < 1); 16#L564-2true assume !(main_~length2~0 < 1); 10#L567-1true assume !(main_~n~0 < 1); 4#L570-1true 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; 7#L550-3true [2019-11-28 03:01:33,679 INFO L796 eck$LassoCheckResult]: Loop: 7#L550-3true call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 20#L550-1true 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; 7#L550-3true [2019-11-28 03:01:33,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:33,684 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-28 03:01:33,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:33,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338894931] [2019-11-28 03:01:33,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:33,860 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-28 03:01:33,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:33,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758848391] [2019-11-28 03:01:33,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:33,876 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:33,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:33,878 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-11-28 03:01:33,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:33,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574154350] [2019-11-28 03:01:33,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:33,969 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:34,496 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 95 [2019-11-28 03:01:34,640 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-28 03:01:34,656 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:34,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:34,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:34,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:34,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:34,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:34,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:34,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:34,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-1.i_Iteration1_Lasso [2019-11-28 03:01:34,660 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:34,661 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:34,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:34,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:35,100 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-11-28 03:01:35,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:35,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:35,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:35,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:35,736 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:35,742 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 03:01:35,760 INFO L120 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 [2019-11-28 03:01:35,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:35,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:35,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 03:01:35,789 INFO L120 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 [2019-11-28 03:01:35,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:35,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 03:01:35,811 INFO L120 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 [2019-11-28 03:01:35,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:35,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:35,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 03:01:35,839 INFO L120 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 [2019-11-28 03:01:35,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:35,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 03:01:35,895 INFO L120 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:35,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:35,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:35,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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) [2019-11-28 03:01:35,919 INFO L120 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 [2019-11-28 03:01:35,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:35,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:35,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:35,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:35,959 INFO L120 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 [2019-11-28 03:01:35,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:35,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:35,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:35,982 INFO L120 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 [2019-11-28 03:01:35,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:35,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:35,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:35,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:35,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:35,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:35,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,008 INFO L120 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 [2019-11-28 03:01:36,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,029 INFO L120 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 [2019-11-28 03:01:36,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,054 INFO L120 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 [2019-11-28 03:01:36,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,072 INFO L120 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 [2019-11-28 03:01:36,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,095 INFO L120 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 [2019-11-28 03:01:36,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,116 INFO L120 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 [2019-11-28 03:01:36,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,137 INFO L120 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 [2019-11-28 03:01:36,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,146 INFO L120 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 [2019-11-28 03:01:36,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,171 INFO L120 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 [2019-11-28 03:01:36,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,192 INFO L120 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 [2019-11-28 03:01:36,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:36,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,218 INFO L120 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 [2019-11-28 03:01:36,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,231 INFO L120 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 [2019-11-28 03:01:36,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:36,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:36,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,242 INFO L120 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 [2019-11-28 03:01:36,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:36,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,280 INFO L120 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 [2019-11-28 03:01:36,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:36,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,312 INFO L120 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 [2019-11-28 03:01:36,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,331 INFO L120 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 [2019-11-28 03:01:36,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,346 INFO L120 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 Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:36,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,358 INFO L120 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 [2019-11-28 03:01:36,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:36,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,382 INFO L120 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 [2019-11-28 03:01:36,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:36,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,406 INFO L120 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 [2019-11-28 03:01:36,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:36,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,408 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:01:36,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,410 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 03:01:36,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:36,420 INFO L120 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 [2019-11-28 03:01:36,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:36,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:36,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:36,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:36,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:36,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:36,543 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 03:01:36,543 INFO L444 ModelExtractionUtils]: 34 out of 43 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:36,595 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:36,604 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:01:36,604 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:36,605 INFO L512 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 [] [2019-11-28 03:01:36,642 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-28 03:01:36,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:01:36,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:36,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:01:36,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:36,745 WARN L253 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:01:36,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:36,788 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 [2019-11-28 03:01:36,790 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-28 03:01:36,909 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. [2019-11-28 03:01:36,910 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 [2019-11-28 03:01:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:01:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2019-11-28 03:01:36,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 03:01:36,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:36,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 03:01:36,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:36,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 03:01:36,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:36,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2019-11-28 03:01:36,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:36,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2019-11-28 03:01:36,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 03:01:36,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:01:36,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-11-28 03:01:36,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:36,936 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-11-28 03:01:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-11-28 03:01:36,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-28 03:01:36,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 03:01:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-28 03:01:36,969 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-28 03:01:36,969 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-28 03:01:36,969 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:01:36,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-11-28 03:01:36,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:36,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:36,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:36,971 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:01:36,971 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:36,972 INFO L794 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 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#L564 assume !(main_~length1~0 < 1); 163#L564-2 assume !(main_~length2~0 < 1); 175#L567-1 assume !(main_~n~0 < 1); 168#L570-1 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; 169#L550-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 171#L550-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 166#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 167#L552 assume !cstrncat_#t~short6; 174#L552-2 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#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 165#L552 [2019-11-28 03:01:36,972 INFO L796 eck$LassoCheckResult]: Loop: 165#L552 assume !cstrncat_#t~short6; 173#L552-2 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; 164#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 165#L552 [2019-11-28 03:01:36,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:36,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2019-11-28 03:01:36,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:36,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166473761] [2019-11-28 03:01:36,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:37,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166473761] [2019-11-28 03:01:37,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:37,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:01:37,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053726161] [2019-11-28 03:01:37,089 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:01:37,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:37,089 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2019-11-28 03:01:37,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:37,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068934395] [2019-11-28 03:01:37,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:37,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068934395] [2019-11-28 03:01:37,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:37,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 03:01:37,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769481622] [2019-11-28 03:01:37,112 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:01:37,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:37,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:01:37,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:01:37,115 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-28 03:01:37,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:37,129 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-28 03:01:37,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:01:37,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-11-28 03:01:37,131 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:37,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-28 03:01:37,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:01:37,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:01:37,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:01:37,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:37,131 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:37,131 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:37,132 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:37,132 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:01:37,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:01:37,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:37,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:01:37,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:37 BoogieIcfgContainer [2019-11-28 03:01:37,138 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:01:37,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:01:37,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:01:37,138 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:01:37,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:33" (3/4) ... [2019-11-28 03:01:37,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:01:37,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:01:37,143 INFO L168 Benchmark]: Toolchain (without parser) took 4584.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 955.0 MB in the beginning and 969.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 181.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:37,143 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:37,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:37,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:37,145 INFO L168 Benchmark]: Boogie Preprocessor took 26.74 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. [2019-11-28 03:01:37,146 INFO L168 Benchmark]: RCFGBuilder took 356.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:37,147 INFO L168 Benchmark]: BuchiAutomizer took 3561.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 969.2 MB in the end (delta: 99.3 MB). Peak memory consumption was 183.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:37,147 INFO L168 Benchmark]: Witness Printer took 3.54 ms. Allocated memory is still 1.2 GB. Free memory is still 969.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:37,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.74 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 356.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3561.11 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.1 GB in the beginning and 969.2 MB in the end (delta: 99.3 MB). Peak memory consumption was 183.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.54 ms. Allocated memory is still 1.2 GB. Free memory is still 969.2 MB. 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 3.5s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: inital198 mio100 ax109 hnf98 lsp88 ukn76 mio100 lsp43 div100 bol100 ite100 ukn100 eq187 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...