./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b29929f70f48b1f1b1180a065dc51df3698b29b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:07:23,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:07:23,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:07:23,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:07:23,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:07:23,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:07:23,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:07:23,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:07:23,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:07:23,187 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:07:23,188 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:07:23,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:07:23,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:07:23,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:07:23,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:07:23,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:07:23,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:07:23,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:07:23,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:07:23,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:07:23,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:07:23,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:07:23,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:07:23,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:07:23,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:07:23,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:07:23,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:07:23,196 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:07:23,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:07:23,197 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:07:23,197 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:07:23,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:07:23,198 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:07:23,198 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:07:23,198 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:07:23,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:07:23,199 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-03 01:07:23,206 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:07:23,207 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:07:23,207 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:07:23,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 01:07:23,208 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-03 01:07:23,208 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:07:23,208 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:07:23,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-03 01:07:23,210 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:07:23,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:07:23,210 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-03 01:07:23,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:07:23,210 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-03 01:07:23,210 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-03 01:07:23,210 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-03 01:07:23,211 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b29929f70f48b1f1b1180a065dc51df3698b29b [2018-12-03 01:07:23,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:07:23,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:07:23,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:07:23,240 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:07:23,241 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:07:23,241 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-03 01:07:23,280 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/data/6580e1a17/9b03ff7014d148bea479a39cf7e301c2/FLAG8f76f0b83 [2018-12-03 01:07:23,674 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:07:23,675 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-03 01:07:23,681 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/data/6580e1a17/9b03ff7014d148bea479a39cf7e301c2/FLAG8f76f0b83 [2018-12-03 01:07:24,013 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/data/6580e1a17/9b03ff7014d148bea479a39cf7e301c2 [2018-12-03 01:07:24,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:07:24,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:07:24,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:07:24,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:07:24,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:07:24,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f91bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24, skipping insertion in model container [2018-12-03 01:07:24,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:07:24,047 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:07:24,205 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:07:24,210 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:07:24,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:07:24,294 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:07:24,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24 WrapperNode [2018-12-03 01:07:24,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:07:24,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:07:24,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:07:24,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:07:24,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:07:24,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:07:24,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:07:24,326 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:07:24,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... [2018-12-03 01:07:24,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:07:24,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:07:24,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:07:24,347 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:07:24,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c293b5d-b076-45bd-bf38-1036bd6c8f49/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-03 01:07:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:07:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 01:07:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 01:07:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-03 01:07:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-03 01:07:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 01:07:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:07:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:07:24,541 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:07:24,541 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-03 01:07:24,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:24 BoogieIcfgContainer [2018-12-03 01:07:24,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:07:24,542 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-03 01:07:24,542 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-03 01:07:24,544 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-03 01:07:24,545 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-03 01:07:24,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 03.12 01:07:24" (1/3) ... [2018-12-03 01:07:24,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c1ffde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 03.12 01:07:24, skipping insertion in model container [2018-12-03 01:07:24,545 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-03 01:07:24,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:24" (2/3) ... [2018-12-03 01:07:24,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c1ffde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 03.12 01:07:24, skipping insertion in model container [2018-12-03 01:07:24,546 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-03 01:07:24,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:24" (3/3) ... [2018-12-03 01:07:24,547 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-03 01:07:24,577 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 01:07:24,578 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-03 01:07:24,578 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-03 01:07:24,578 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-03 01:07:24,578 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:07:24,578 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:07:24,578 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-03 01:07:24,578 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:07:24,578 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-03 01:07:24,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-12-03 01:07:24,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-03 01:07:24,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-03 01:07:24,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-03 01:07:24,603 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-03 01:07:24,603 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-12-03 01:07:24,603 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-03 01:07:24,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-12-03 01:07:24,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-03 01:07:24,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-03 01:07:24,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-03 01:07:24,604 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-03 01:07:24,604 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-12-03 01:07:24,609 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~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~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 15#L561true assume !(main_~length~0 < 1); 19#L561-2true assume !(main_~n~0 < 1); 13#L564-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_#in~src.base, cstpncpy_#in~src.offset, cstpncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstpncpy_#res.base, cstpncpy_#res.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset, cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, cstpncpy_#t~mem7, cstpncpy_#t~post9.base, cstpncpy_#t~post9.offset, cstpncpy_#t~pre8, cstpncpy_#t~pre4, cstpncpy_~d~0.base, cstpncpy_~d~0.offset, cstpncpy_~s~0.base, cstpncpy_~s~0.offset, cstpncpy_#t~mem10.base, cstpncpy_#t~mem10.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, cstpncpy_~src.base, cstpncpy_~src.offset, cstpncpy_~n;call cstpncpy_~#dst.base, cstpncpy_~#dst.offset := #Ultimate.alloc(4);call write~$Pointer$(cstpncpy_#in~dst.base, cstpncpy_#in~dst.offset, cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~src.base, cstpncpy_~src.offset := cstpncpy_#in~src.base, cstpncpy_#in~src.offset;cstpncpy_~n := cstpncpy_#in~n; 8#L543true assume 0 != cstpncpy_~n % 4294967296;call cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;havoc cstpncpy_#t~mem2.base, cstpncpy_#t~mem2.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_~src.base, cstpncpy_~src.offset;call cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset := read~$Pointer$(cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);call write~$Pointer$(cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset + (if cstpncpy_~n % 4294967296 % 4294967296 <= 2147483647 then cstpncpy_~n % 4294967296 % 4294967296 else cstpncpy_~n % 4294967296 % 4294967296 - 4294967296), cstpncpy_~#dst.base, cstpncpy_~#dst.offset, 4);havoc cstpncpy_#t~mem3.base, cstpncpy_#t~mem3.offset; 9#L547-4true [2018-12-03 01:07:24,609 INFO L796 eck$LassoCheckResult]: Loop: 9#L547-4true cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset := cstpncpy_~d~0.base, cstpncpy_~d~0.offset;cstpncpy_~d~0.base, cstpncpy_~d~0.offset := cstpncpy_#t~post5.base, 1 + cstpncpy_#t~post5.offset;cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset := cstpncpy_~s~0.base, cstpncpy_~s~0.offset;cstpncpy_~s~0.base, cstpncpy_~s~0.offset := cstpncpy_#t~post6.base, 1 + cstpncpy_#t~post6.offset;call cstpncpy_#t~mem7 := read~int(cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset, 1);call write~int(cstpncpy_#t~mem7, cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset, 1); 3#L548true assume !(0 == cstpncpy_#t~mem7);havoc cstpncpy_#t~post6.base, cstpncpy_#t~post6.offset;havoc cstpncpy_#t~mem7;havoc cstpncpy_#t~post5.base, cstpncpy_#t~post5.offset; 5#L547-1true cstpncpy_#t~pre4 := cstpncpy_~n - 1;cstpncpy_~n := cstpncpy_~n - 1; 7#L547-2true assume !!(0 != cstpncpy_#t~pre4 % 4294967296);havoc cstpncpy_#t~pre4; 9#L547-4true [2018-12-03 01:07:24,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:07:24,613 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2018-12-03 01:07:24,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:07:24,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:07:24,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:07:24,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:07:24,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:07:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:07:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:07:24,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:07:24,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2018-12-03 01:07:24,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:07:24,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:07:24,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:07:24,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:07:24,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:07:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:07:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:07:24,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:07:24,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2018-12-03 01:07:24,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:07:24,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:07:24,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:07:24,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:07:24,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:07:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:07:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:07:25,520 WARN L180 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 153 [2018-12-03 01:07:25,542 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:25,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:25,745 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:25,953 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:26,819 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-03 01:07:26,994 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-03 01:07:26,996 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-03 01:07:27,155 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-03 01:07:27,810 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:27,968 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:27,970 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:28,135 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 01:07:28,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-12-03 01:07:28,929 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:553, output treesize:521 [2018-12-03 01:07:29,775 WARN L180 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-12-03 01:07:29,783 INFO L216 LassoAnalysis]: Preferences: [2018-12-03 01:07:29,783 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-03 01:07:29,783 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-03 01:07:29,783 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-03 01:07:29,784 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-03 01:07:29,784 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-03 01:07:29,784 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-03 01:07:29,784 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-03 01:07:29,784 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpncpy-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-12-03 01:07:29,784 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-03 01:07:29,784 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-03 01:07:29,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:29,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:29,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:29,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:29,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:29,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:29,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,006 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 01:07:30,417 WARN L180 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2018-12-03 01:07:30,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-03 01:07:30,924 WARN L180 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2018-12-03 01:07:31,044 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-12-03 01:07:31,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-03 01:07:31,488 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-12-03 01:07:31,621 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-03 01:07:31,624 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-03 01:07:31,625 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 01:07:31,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,627 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,628 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 01:07:31,628 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 01:07:31,629 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,629 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 01:07:31,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,630 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,630 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 01:07:31,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 01:07:31,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,631 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,632 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 01:07:31,632 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 01:07:31,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 01:07:31,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,635 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,635 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 01:07:31,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 01:07:31,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,636 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,636 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 01:07:31,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,636 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,637 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 01:07:31,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 01:07:31,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 01:07:31,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,638 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,638 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-03 01:07:31,638 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 01:07:31,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,639 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-03 01:07:31,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,639 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-03 01:07:31,639 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,640 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-03 01:07:31,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-03 01:07:31,642 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,642 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-03 01:07:31,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,642 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,643 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-03 01:07:31,643 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 01:07:31,646 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-03 01:07:31,646 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-03 01:07:31,646 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-03 01:07:31,646 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-03 01:07:31,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-03 01:07:31,646 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-03 01:07:31,652 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-03 01:07:31,652 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-03 01:07:31,714 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-03 01:07:31,739 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-03 01:07:31,739 INFO L444 ModelExtractionUtils]: 52 out of 58 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-03 01:07:31,740 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-03 01:07:31,741 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-03 01:07:31,741 INFO L518 LassoAnalysis]: Proved termination. [2018-12-03 01:07:31,742 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstpncpy_~d~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstpncpy_~d~0.offset Supporting invariants [] [2018-12-03 01:07:31,802 INFO L297 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2018-12-03 01:07:31,808 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:07:31,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:07:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:07:31,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:07:31,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-03 01:07:31,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-03 01:07:31,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-03 01:07:31,864 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-03 01:07:31,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-03 01:07:31,867 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-12-03 01:07:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:07:31,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:07:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:07:31,908 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-03 01:07:31,909 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 4 states. [2018-12-03 01:07:31,987 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 4 states. Result 37 states and 46 transitions. Complement of second has 7 states. [2018-12-03 01:07:31,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-03 01:07:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-03 01:07:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2018-12-03 01:07:31,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2018-12-03 01:07:31,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 01:07:31,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 4 letters. [2018-12-03 01:07:31,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 01:07:31,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 8 letters. [2018-12-03 01:07:31,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-03 01:07:31,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2018-12-03 01:07:31,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-03 01:07:31,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2018-12-03 01:07:31,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-03 01:07:31,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-03 01:07:31,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-03 01:07:31,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-03 01:07:31,995 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:07:31,995 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:07:31,995 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:07:31,995 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-03 01:07:31,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:07:31,995 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-03 01:07:31,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-03 01:07:31,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 03.12 01:07:31 BoogieIcfgContainer [2018-12-03 01:07:31,999 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-03 01:07:31,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:07:31,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:07:31,999 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:07:32,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:24" (3/4) ... [2018-12-03 01:07:32,002 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 01:07:32,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:07:32,002 INFO L168 Benchmark]: Toolchain (without parser) took 7986.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -207.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:07:32,003 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:07:32,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:07:32,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.72 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. [2018-12-03 01:07:32,003 INFO L168 Benchmark]: Boogie Preprocessor took 20.90 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. [2018-12-03 01:07:32,004 INFO L168 Benchmark]: RCFGBuilder took 194.73 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:07:32,004 INFO L168 Benchmark]: BuchiAutomizer took 7457.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -59.9 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:07:32,004 INFO L168 Benchmark]: Witness Printer took 2.51 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:07:32,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.72 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 20.90 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. * RCFGBuilder took 194.73 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7457.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -59.9 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.51 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * d and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 18 SDslu, 13 SDs, 0 SdLazy, 14 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital634 mio100 ax100 hnf99 lsp134 ukn45 mio100 lsp83 div111 bol100 ite100 ukn100 eq181 hnf85 smp56 dnf292 smp41 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 95ms VariablesStem: 24 VariablesLoop: 20 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...