./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_diffterm_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_diffterm_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/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 64bit --witnessprinter.graph.data.programhash 42c24f3b8e86bd7db4a5522885bfbc1daa3bcc95 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:11:01,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:11:01,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:11:01,100 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:11:01,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:11:01,100 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:11:01,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:11:01,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:11:01,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:11:01,104 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:11:01,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:11:01,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:11:01,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:11:01,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:11:01,106 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:11:01,107 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:11:01,108 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:11:01,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:11:01,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:11:01,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:11:01,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:11:01,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:11:01,114 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:11:01,114 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:11:01,114 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:11:01,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:11:01,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:11:01,116 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:11:01,117 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:11:01,118 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:11:01,118 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:11:01,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:11:01,118 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:11:01,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:11:01,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:11:01,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:11:01,120 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 12:11:01,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:11:01,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:11:01,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:11:01,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:11:01,130 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:11:01,130 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 12:11:01,130 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 12:11:01,130 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 12:11:01,130 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 12:11:01,130 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 12:11:01,130 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 12:11:01,131 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 12:11:01,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:11:01,132 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 12:11:01,132 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:11:01,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 12:11:01,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:11:01,132 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:11:01,132 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 12:11:01,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:11:01,133 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:11:01,133 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 12:11:01,133 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 12:11:01,133 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_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42c24f3b8e86bd7db4a5522885bfbc1daa3bcc95 [2018-11-23 12:11:01,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:11:01,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:11:01,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:11:01,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:11:01,170 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:11:01,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrncpy_diffterm_alloca_true-termination.c.i [2018-11-23 12:11:01,216 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/data/1e5f64dbc/227e7a28bcac422daf248fe104906df8/FLAG9765d3257 [2018-11-23 12:11:01,544 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:11:01,544 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/sv-benchmarks/c/termination-15/cstrncpy_diffterm_alloca_true-termination.c.i [2018-11-23 12:11:01,550 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/data/1e5f64dbc/227e7a28bcac422daf248fe104906df8/FLAG9765d3257 [2018-11-23 12:11:01,560 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/bin-2019/uautomizer/data/1e5f64dbc/227e7a28bcac422daf248fe104906df8 [2018-11-23 12:11:01,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:11:01,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:11:01,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:11:01,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:11:01,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:11:01,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335f4bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01, skipping insertion in model container [2018-11-23 12:11:01,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:11:01,603 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:11:01,815 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:11:01,823 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:11:01,903 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:11:01,944 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:11:01,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01 WrapperNode [2018-11-23 12:11:01,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:11:01,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:11:01,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:11:01,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:11:01,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:11:01,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:11:01,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:11:01,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:11:01,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... [2018-11-23 12:11:01,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:11:01,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:11:01,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:11:01,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:11:01,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eca3d6a9-45fb-4760-a1b3-9d25985e33b0/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 [2018-11-23 12:11:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:11:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:11:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:11:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:11:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:11:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:11:02,177 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:11:02,177 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 12:11:02,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:02 BoogieIcfgContainer [2018-11-23 12:11:02,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:11:02,178 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 12:11:02,178 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 12:11:02,180 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 12:11:02,181 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 12:11:02,181 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:11:01" (1/3) ... [2018-11-23 12:11:02,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e2ec144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:11:02, skipping insertion in model container [2018-11-23 12:11:02,182 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 12:11:02,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01" (2/3) ... [2018-11-23 12:11:02,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e2ec144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:11:02, skipping insertion in model container [2018-11-23 12:11:02,182 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 12:11:02,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:02" (3/3) ... [2018-11-23 12:11:02,183 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrncpy_diffterm_alloca_true-termination.c.i [2018-11-23 12:11:02,216 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:11:02,216 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 12:11:02,217 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 12:11:02,217 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 12:11:02,217 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:11:02,217 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:11:02,217 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 12:11:02,217 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:11:02,217 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 12:11:02,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-23 12:11:02,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-23 12:11:02,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 12:11:02,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 12:11:02,252 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 12:11:02,253 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 12:11:02,253 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 12:11:02,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-23 12:11:02,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-11-23 12:11:02,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 12:11:02,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 12:11:02,254 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 12:11:02,255 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 12:11:02,261 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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; 4#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.alloc(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.alloc(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 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 [2018-11-23 12:11:02,262 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, 1 + cstrncpy_#t~post206.offset;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 !(49 == cstrncpy_#t~mem208);havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset; 14#L370-2true [2018-11-23 12:11:02,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:02,267 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2018-11-23 12:11:02,268 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:11:02,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:11:02,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:02,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:11:02,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:02,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:02,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2018-11-23 12:11:02,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:11:02,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:11:02,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:02,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:11:02,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:02,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:02,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2018-11-23 12:11:02,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:11:02,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:11:02,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:02,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:11:02,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:02,697 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2018-11-23 12:11:02,780 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 12:11:02,781 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 12:11:02,781 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 12:11:02,781 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 12:11:02,781 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 12:11:02,782 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 12:11:02,782 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 12:11:02,782 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 12:11:02,782 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrncpy_diffterm_alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 12:11:02,782 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 12:11:02,782 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 12:11:02,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,009 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2018-11-23 12:11:03,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:03,509 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 12:11:03,513 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 12:11:03,515 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 [2018-11-23 12:11:03,516 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:03,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,516 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,520 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:11:03,520 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:03,527 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:03,527 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 [2018-11-23 12:11:03,528 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,528 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:11:03,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:03,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,528 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,529 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:11:03,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:11:03,530 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:03,530 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 [2018-11-23 12:11:03,530 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:03,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,531 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,532 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:11:03,533 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:03,535 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:03,536 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 [2018-11-23 12:11:03,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:03,536 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,537 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,538 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:11:03,538 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:03,540 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:03,541 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 [2018-11-23 12:11:03,541 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:03,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,541 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,544 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:11:03,544 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:03,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:03,555 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 [2018-11-23 12:11:03,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,556 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 12:11:03,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,556 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,560 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 12:11:03,560 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:03,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:03,576 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 [2018-11-23 12:11:03,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:03,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:03,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:03,577 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:03,582 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:11:03,582 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:03,635 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 12:11:03,674 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 12:11:03,674 INFO L444 ModelExtractionUtils]: 50 out of 55 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-23 12:11:03,676 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 12:11:03,677 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 12:11:03,677 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 12:11:03,678 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc213.base)_1, ULTIMATE.start_cstrncpy_~src~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc213.base)_1 - 1*ULTIMATE.start_cstrncpy_~src~0.offset Supporting invariants [] [2018-11-23 12:11:03,722 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2018-11-23 12:11:03,729 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:11:03,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:11:03,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:11:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:11:03,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:11:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:11:03,798 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 [2018-11-23 12:11:03,799 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2018-11-23 12:11:03,854 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 27 states and 37 transitions. Complement of second has 6 states. [2018-11-23 12:11:03,854 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 [2018-11-23 12:11:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:11:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-11-23 12:11:03,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-23 12:11:03,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:11:03,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-23 12:11:03,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:11:03,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-23 12:11:03,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:11:03,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2018-11-23 12:11:03,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 12:11:03,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2018-11-23 12:11:03,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2018-11-23 12:11:03,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2018-11-23 12:11:03,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2018-11-23 12:11:03,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 12:11:03,865 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2018-11-23 12:11:03,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2018-11-23 12:11:03,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2018-11-23 12:11:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 12:11:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2018-11-23 12:11:03,881 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-11-23 12:11:03,882 INFO L608 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2018-11-23 12:11:03,882 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 12:11:03,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2018-11-23 12:11:03,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 12:11:03,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 12:11:03,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 12:11:03,883 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:11:03,883 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 12:11:03,883 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 148#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; 149#L385 assume !(main_~length~0 < 1); 153#L385-2 assume !(main_~n~0 < 1); 151#L388-1 call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.alloc(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.alloc(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 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; 152#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, 1 + cstrncpy_#t~post206.offset;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); 146#L372 assume 49 == cstrncpy_#t~mem208;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~mem208;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 144#L375-3 [2018-11-23 12:11:03,883 INFO L796 eck$LassoCheckResult]: Loop: 144#L375-3 cstrncpy_#t~post209 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post209 - 1; 145#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, 1 + cstrncpy_#t~post210.offset;call write~int(49, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, 1);havoc cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset; 144#L375-3 [2018-11-23 12:11:03,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:03,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2018-11-23 12:11:03,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:11:03,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:11:03,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:03,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:11:03,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:03,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:03,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2018-11-23 12:11:03,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:11:03,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:11:03,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:03,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:11:03,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:03,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:03,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2018-11-23 12:11:03,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:11:03,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:11:03,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:03,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:11:03,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:11:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:11:04,232 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 124 [2018-11-23 12:11:04,353 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-11-23 12:11:04,354 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 12:11:04,354 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 12:11:04,355 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 12:11:04,355 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 12:11:04,355 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 12:11:04,355 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 12:11:04,355 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 12:11:04,355 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 12:11:04,355 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrncpy_diffterm_alloca_true-termination.c.i_Iteration2_Lasso [2018-11-23 12:11:04,355 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 12:11:04,355 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 12:11:04,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,541 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2018-11-23 12:11:04,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 12:11:04,942 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 12:11:04,943 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 12:11:04,943 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 [2018-11-23 12:11:04,944 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:11:04,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:04,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:04,944 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,944 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:11:04,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:11:04,945 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:04,946 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 [2018-11-23 12:11:04,946 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,946 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:11:04,946 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:04,946 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:04,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,947 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:11:04,947 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:11:04,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:04,948 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 [2018-11-23 12:11:04,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,948 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 12:11:04,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:04,948 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,950 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 12:11:04,950 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:04,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:04,956 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 [2018-11-23 12:11:04,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,957 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 12:11:04,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:04,957 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,959 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 12:11:04,959 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:04,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:04,968 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 [2018-11-23 12:11:04,969 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 12:11:04,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:04,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:04,969 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,970 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 12:11:04,972 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 12:11:04,972 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:04,973 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 [2018-11-23 12:11:04,973 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,973 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:04,973 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 12:11:04,973 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,974 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 12:11:04,974 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 12:11:04,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 12:11:04,976 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 [2018-11-23 12:11:04,976 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 12:11:04,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 12:11:04,977 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 12:11:04,977 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 12:11:04,987 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-23 12:11:04,987 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 12:11:05,091 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 12:11:05,155 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2018-11-23 12:11:05,155 INFO L444 ModelExtractionUtils]: 93 out of 101 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-11-23 12:11:05,156 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 12:11:05,157 INFO L440 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2018-11-23 12:11:05,157 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 12:11:05,157 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~us~0.offset, v_rep(select #length ULTIMATE.start_cstrncpy_~us~0.base)_1) = -1*ULTIMATE.start_cstrncpy_~us~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrncpy_~us~0.base)_1 Supporting invariants [] [2018-11-23 12:11:05,199 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2018-11-23 12:11:05,200 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:11:05,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:11:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:11:05,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:11:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:11:05,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:11:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:11:05,228 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 [2018-11-23 12:11:05,228 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-23 12:11:05,232 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. [2018-11-23 12:11:05,233 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 [2018-11-23 12:11:05,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:11:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-11-23 12:11:05,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-23 12:11:05,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:11:05,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2018-11-23 12:11:05,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:11:05,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-23 12:11:05,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 12:11:05,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2018-11-23 12:11:05,235 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 12:11:05,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-23 12:11:05,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 12:11:05,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 12:11:05,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 12:11:05,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 12:11:05,236 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:11:05,236 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:11:05,236 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:11:05,236 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 12:11:05,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:11:05,236 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 12:11:05,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 12:11:05,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:11:05 BoogieIcfgContainer [2018-11-23 12:11:05,243 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 12:11:05,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:11:05,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:11:05,244 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:11:05,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:02" (3/4) ... [2018-11-23 12:11:05,246 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:11:05,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:11:05,247 INFO L168 Benchmark]: Toolchain (without parser) took 3684.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -310.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:11:05,248 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:11:05,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:11:05,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.75 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. [2018-11-23 12:11:05,249 INFO L168 Benchmark]: Boogie Preprocessor took 16.52 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:11:05,249 INFO L168 Benchmark]: RCFGBuilder took 188.42 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:11:05,250 INFO L168 Benchmark]: BuchiAutomizer took 3065.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -160.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:11:05,250 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:11:05,253 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.75 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 16.52 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.42 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3065.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -160.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(n * sizeof(char))] + -1 * src and consists of 4 locations. One deterministic module has affine ranking function -1 * us + unknown-#length-unknown[us] and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 23 SDtfs, 23 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax100 hnf99 lsp96 ukn83 mio100 lsp53 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf114 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 181ms VariablesStem: 19 VariablesLoop: 11 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...