./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.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-15/cstrncpy_mixed_alloca.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 493d4075183da22c41b393b09f987b5f1b55266e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:04:01,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:04:01,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:04:01,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:04:01,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:04:01,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:04:01,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:04:01,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:04:01,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:04:01,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:04:01,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:04:01,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:04:01,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:04:01,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:04:01,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:04:01,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:04:01,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:04:01,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:04:01,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:04:01,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:04:01,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:04:01,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:04:01,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:04:01,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:04:01,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:04:01,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:04:01,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:04:01,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:04:01,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:04:01,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:04:01,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:04:01,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:04:01,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:04:01,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:04:01,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:04:01,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:04:01,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:04:01,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:04:01,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:04:01,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:04:01,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:04:01,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:04:01,255 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:04:01,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:04:01,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:04:01,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:04:01,257 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:04:01,258 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:04:01,258 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:04:01,258 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:04:01,259 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:04:01,259 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:04:01,260 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:04:01,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:04:01,262 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:04:01,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:04:01,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:04:01,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:04:01,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:04:01,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:04:01,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:04:01,265 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:04:01,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:04:01,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:04:01,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:04:01,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:04:01,268 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:04:01,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:04:01,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:04:01,269 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:04:01,270 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:04:01,272 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 -> 493d4075183da22c41b393b09f987b5f1b55266e [2019-11-28 03:04:01,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:04:01,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:04:01,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:04:01,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:04:01,590 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:04:01,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2019-11-28 03:04:01,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b75b8ec26/43d69a4fb2b14f73bb3e9e6e5e1942bb/FLAGc8d68abd8 [2019-11-28 03:04:02,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:04:02,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2019-11-28 03:04:02,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b75b8ec26/43d69a4fb2b14f73bb3e9e6e5e1942bb/FLAGc8d68abd8 [2019-11-28 03:04:02,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b75b8ec26/43d69a4fb2b14f73bb3e9e6e5e1942bb [2019-11-28 03:04:02,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:04:02,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:04:02,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:04:02,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:04:02,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:04:02,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:02" (1/1) ... [2019-11-28 03:04:02,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a800259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:02, skipping insertion in model container [2019-11-28 03:04:02,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:02" (1/1) ... [2019-11-28 03:04:02,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:04:02,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:04:02,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:04:02,994 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:04:03,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:04:03,107 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:04:03,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03 WrapperNode [2019-11-28 03:04:03,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:04:03,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:04:03,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:04:03,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:04:03,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:04:03,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:04:03,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:04:03,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:04:03,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (1/1) ... [2019-11-28 03:04:03,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:04:03,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:04:03,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:04:03,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:04:03,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (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 03:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:04:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:04:03,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:04:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:04:03,523 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:04:03,523 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:04:03,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:03 BoogieIcfgContainer [2019-11-28 03:04:03,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:04:03,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:04:03,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:04:03,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:04:03,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:04:03,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:04:02" (1/3) ... [2019-11-28 03:04:03,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b7438c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:03, skipping insertion in model container [2019-11-28 03:04:03,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:04:03,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:03" (2/3) ... [2019-11-28 03:04:03,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b7438c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:03, skipping insertion in model container [2019-11-28 03:04:03,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:04:03,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:03" (3/3) ... [2019-11-28 03:04:03,537 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncpy_mixed_alloca.i [2019-11-28 03:04:03,599 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:04:03,600 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:04:03,600 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:04:03,600 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:04:03,600 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:04:03,600 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:04:03,601 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:04:03,601 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:04:03,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 03:04:03,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:04:03,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:04:03,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:04:03,655 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:04:03,656 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:04:03,656 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:04:03,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-28 03:04:03,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:04:03,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:04:03,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:04:03,659 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:04:03,660 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:04:03,670 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 5#L385true assume !(main_~length~0 < 1); 7#L385-2true assume !(main_~n~0 < 1); 3#L388-1true call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 14#L370-2true [2019-11-28 03:04:03,676 INFO L796 eck$LassoCheckResult]: Loop: 14#L370-2true assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 9#L372true assume !(0 == cstrncpy_#t~mem208);havoc cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset; 14#L370-2true [2019-11-28 03:04:03,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:03,682 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-28 03:04:03,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:03,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412360167] [2019-11-28 03:04:03,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:03,878 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:03,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:03,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2019-11-28 03:04:03,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:03,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376838] [2019-11-28 03:04:03,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:03,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:03,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:03,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2019-11-28 03:04:03,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:03,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737314455] [2019-11-28 03:04:03,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:03,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:04,111 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-11-28 03:04:04,581 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-11-28 03:04:04,725 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-28 03:04:04,738 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:04:04,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:04:04,740 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:04:04,740 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:04:04,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:04:04,741 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:04,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:04:04,741 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:04:04,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_mixed_alloca.i_Iteration1_Lasso [2019-11-28 03:04:04,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:04:04,742 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:04:04,787 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 03:04:04,795 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 03:04:04,797 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 03:04:04,800 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 03:04:05,177 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2019-11-28 03:04:05,385 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-11-28 03:04:05,386 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 03:04:05,390 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 03:04:05,393 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 03:04:05,396 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 03:04:05,399 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 03:04:05,403 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 03:04:05,406 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 03:04:05,408 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 03:04:05,410 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 03:04:05,413 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 03:04:05,415 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 03:04:05,418 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 03:04:05,421 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 03:04:05,423 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 03:04:05,426 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 03:04:05,428 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 03:04:05,431 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 03:04:05,433 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 03:04:06,090 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:04:06,097 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 03:04:06,119 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 03:04:06,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:06,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:06,129 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 03:04:06,133 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 03:04:06,152 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 03:04:06,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:06,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:06,159 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:04:06,165 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 03:04:06,178 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:06,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:06,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:06,199 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,216 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 03:04:06,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:06,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:06,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:06,223 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,231 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 03:04:06,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:06,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:06,246 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 03:04:06,256 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 03:04:06,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:06,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,265 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,275 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 03:04:06,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:06,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:06,295 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,317 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 03:04:06,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:06,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:06,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:06,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:06,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:06,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:06,351 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:04:06,440 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 03:04:06,441 INFO L444 ModelExtractionUtils]: 22 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. 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) [2019-11-28 03:04:06,469 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:06,482 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:04:06,482 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:04:06,483 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n) = 1*ULTIMATE.start_cstrncpy_~n Supporting invariants [] [2019-11-28 03:04:06,540 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2019-11-28 03:04:06,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:04:06,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:04:06,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:04:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:04:06,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:04:06,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:04:06,640 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 03:04:06,659 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 03:04:06,661 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2019-11-28 03:04:06,711 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 30 states and 40 transitions. Complement of second has 5 states. [2019-11-28 03:04:06,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:04:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:04:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-28 03:04:06,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 03:04:06,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:04:06,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 03:04:06,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:04:06,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:04:06,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:04:06,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2019-11-28 03:04:06,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:04:06,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2019-11-28 03:04:06,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 03:04:06,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 03:04:06,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-28 03:04:06,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:04:06,731 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:04:06,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-28 03:04:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-28 03:04:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 03:04:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-28 03:04:06,760 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 03:04:06,761 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 03:04:06,761 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:04:06,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-28 03:04:06,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:04:06,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:04:06,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:04:06,763 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:04:06,763 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:04:06,763 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 140#L-1 havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 141#L385 assume !(main_~length~0 < 1); 146#L385-2 assume !(main_~n~0 < 1); 144#L388-1 call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 145#L370-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 137#L372 assume 0 == cstrncpy_#t~mem208;havoc cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 139#L375-3 [2019-11-28 03:04:06,764 INFO L796 eck$LassoCheckResult]: Loop: 139#L375-3 cstrncpy_#t~post209 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post209 - 1; 142#L375-1 assume !!(0 != cstrncpy_#t~post209);havoc cstrncpy_#t~post209;cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset - 1;call write~int(0, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, 1);havoc cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset; 139#L375-3 [2019-11-28 03:04:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:06,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2019-11-28 03:04:06,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:06,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717224106] [2019-11-28 03:04:06,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:06,821 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:06,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:06,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2019-11-28 03:04:06,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:06,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674047329] [2019-11-28 03:04:06,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:06,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:06,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2019-11-28 03:04:06,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:04:06,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035359478] [2019-11-28 03:04:06,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:04:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:04:06,913 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:04:07,586 WARN L192 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 129 [2019-11-28 03:04:07,798 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-11-28 03:04:07,801 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:04:07,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:04:07,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:04:07,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:04:07,802 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:04:07,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:07,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:04:07,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:04:07,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_mixed_alloca.i_Iteration2_Lasso [2019-11-28 03:04:07,803 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:04:07,803 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:04:07,808 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 03:04:07,818 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 03:04:07,823 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 03:04:07,828 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 03:04:07,833 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 03:04:07,842 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 03:04:07,844 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 03:04:07,846 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 03:04:07,847 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 03:04:07,849 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 03:04:07,852 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 03:04:07,854 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 03:04:07,857 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 03:04:07,859 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 03:04:07,861 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 03:04:07,863 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 03:04:07,865 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 03:04:07,867 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 03:04:07,869 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 03:04:08,273 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-11-28 03:04:08,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:04:09,043 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:04:09,044 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 03:04:09,053 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,063 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 03:04:09,075 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 03:04:09,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,079 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 03:04:09,080 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,090 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 03:04:09,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,095 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,109 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 03:04:09,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,119 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) [2019-11-28 03:04:09,132 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:09,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:09,139 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) [2019-11-28 03:04:09,168 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 03:04:09,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,174 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) [2019-11-28 03:04:09,189 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 03:04:09,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:09,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,198 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) [2019-11-28 03:04:09,214 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 03:04:09,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,220 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 03:04:09,236 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 03:04:09,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,241 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:09,258 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 03:04:09,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:09,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:09,267 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 03:04:09,291 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 03:04:09,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,296 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) [2019-11-28 03:04:09,305 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 03:04:09,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,310 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) [2019-11-28 03:04:09,316 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 03:04:09,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,326 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 03:04:09,337 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,343 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 03:04:09,351 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 03:04:09,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 03:04:09,372 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 03:04:09,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,376 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) [2019-11-28 03:04:09,383 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 03:04:09,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,388 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) [2019-11-28 03:04:09,394 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 03:04:09,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,400 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 03:04:09,406 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 Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:04:09,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:04:09,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:04:09,410 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,417 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 03:04:09,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:04:09,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:04:09,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:04:09,424 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:09,431 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:04:09,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:04:09,433 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:04:09,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:04:09,461 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 03:04:09,462 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 03:04:09,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:04:09,603 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-28 03:04:09,603 INFO L444 ModelExtractionUtils]: 44 out of 66 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:04:09,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:04:09,616 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-28 03:04:09,617 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:04:09,617 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~us~0.offset) = 2*ULTIMATE.start_cstrncpy_~us~0.offset + 1 Supporting invariants [] [2019-11-28 03:04:09,665 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-28 03:04:09,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:04:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:04:09,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:04:09,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:04:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:04:09,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:04:09,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:04:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:04:09,734 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 03:04:09,734 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 03:04:09,741 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 12 states and 16 transitions. Complement of second has 4 states. [2019-11-28 03:04:09,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:04:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:04:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2019-11-28 03:04:09,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 03:04:09,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:04:09,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 03:04:09,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:04:09,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-28 03:04:09,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:04:09,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2019-11-28 03:04:09,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:04:09,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-28 03:04:09,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:04:09,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:04:09,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:04:09,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:04:09,747 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:04:09,747 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:04:09,747 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:04:09,747 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:04:09,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:04:09,748 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:04:09,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:04:09,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:04:09 BoogieIcfgContainer [2019-11-28 03:04:09,755 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:04:09,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:04:09,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:04:09,756 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:04:09,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:03" (3/4) ... [2019-11-28 03:04:09,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:04:09,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:04:09,762 INFO L168 Benchmark]: Toolchain (without parser) took 7255.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.1 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -73.4 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:04:09,763 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:04:09,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:04:09,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:04:09,765 INFO L168 Benchmark]: Boogie Preprocessor took 28.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:04:09,766 INFO L168 Benchmark]: RCFGBuilder took 345.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:04:09,767 INFO L168 Benchmark]: BuchiAutomizer took 6228.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.9 MB). Peak memory consumption was 207.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:04:09,767 INFO L168 Benchmark]: Witness Printer took 4.97 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:04:09,771 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 345.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6228.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.9 MB). Peak memory consumption was 207.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.97 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function 2 * us + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. 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 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 26 SDslu, 9 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital237 mio100 ax100 hnf99 lsp96 ukn86 mio100 lsp35 div100 bol100 ite100 ukn100 eq197 hnf89 smp100 dnf115 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 190ms VariablesStem: 12 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...