./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/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 b77e20ecf2782844251cc1f0f4840606114db633 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:03,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:03,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:03,026 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:03,026 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:03,027 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:03,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:03,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:03,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:03,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:03,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:03,032 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:03,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:03,033 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:03,034 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:03,035 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:03,036 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:03,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:03,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:03,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:03,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:03,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:03,044 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:03,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:03,044 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:03,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:03,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:03,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:03,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:03,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:03,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:03,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:03,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:03,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:03,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:03,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:03,051 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:06:03,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:03,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:03,065 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:03,066 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:03,066 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:03,066 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:03,066 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:03,066 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:03,066 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:03,067 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:03,067 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:03,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:03,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:06:03,067 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:03,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:03,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:03,068 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:03,069 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:03,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:03,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:03,069 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:03,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:03,069 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:03,070 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:03,070 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:03,070 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_ef55356e-9599-41f7-9b0f-e5947354c3bd/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 -> b77e20ecf2782844251cc1f0f4840606114db633 [2018-10-27 06:06:03,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:03,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:03,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:03,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:03,124 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:03,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-10-27 06:06:03,178 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/data/7f563fe2f/80fa156f7e0c4aaa8e5085d237c4608c/FLAGffa243919 [2018-10-27 06:06:03,583 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:03,583 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/sv-benchmarks/c/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-10-27 06:06:03,593 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/data/7f563fe2f/80fa156f7e0c4aaa8e5085d237c4608c/FLAGffa243919 [2018-10-27 06:06:03,607 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/bin-2019/uautomizer/data/7f563fe2f/80fa156f7e0c4aaa8e5085d237c4608c [2018-10-27 06:06:03,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:03,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:03,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:03,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:03,617 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:03,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254e8886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:03, skipping insertion in model container [2018-10-27 06:06:03,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:03" (1/1) ... [2018-10-27 06:06:03,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:03,668 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:03,929 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:03,940 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:04,006 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:04,046 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:04,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04 WrapperNode [2018-10-27 06:06:04,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:04,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:04,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:04,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:04,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:04,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:04,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:04,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:04,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... [2018-10-27 06:06:04,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:04,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:04,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:04,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:04,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef55356e-9599-41f7-9b0f-e5947354c3bd/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 [2018-10-27 06:06:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:06:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:06:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:04,715 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:04,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:04 BoogieIcfgContainer [2018-10-27 06:06:04,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:04,716 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:04,716 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:04,719 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:04,719 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:04,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:03" (1/3) ... [2018-10-27 06:06:04,720 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ceb9108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:04, skipping insertion in model container [2018-10-27 06:06:04,720 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:04,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:04" (2/3) ... [2018-10-27 06:06:04,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ceb9108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:04, skipping insertion in model container [2018-10-27 06:06:04,721 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:04,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:04" (3/3) ... [2018-10-27 06:06:04,723 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-10-27 06:06:04,772 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:04,773 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:04,773 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:04,774 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:04,774 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:04,778 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:04,778 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:04,778 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:04,778 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:04,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-10-27 06:06:04,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:06:04,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:04,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:04,829 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:06:04,829 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:04,829 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:04,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-10-27 06:06:04,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:06:04,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:04,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:04,833 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:06:04,833 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:04,842 INFO L793 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 3#L548true assume !(main_~length~0 < 1); 5#L548-2true #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset; 14#L552true SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1) * 1, 1); srcloc: L552 17#L552-1true assume { :begin_inline_cstrchr } true;cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet10;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 8#L542-9true [2018-10-27 06:06:04,846 INFO L795 eck$LassoCheckResult]: Loop: 8#L542-9true assume true; 15#L542-1true SUMMARY for call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1); srcloc: L542-1 18#L542-2true cstrchr_#t~short4 := cstrchr_#t~mem2 != 0; 20#L542-3true assume !cstrchr_#t~short4; 6#L542-7true assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~mem2;havoc cstrchr_#t~short4;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, cstrchr_#t~post5.offset + 1;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 8#L542-9true [2018-10-27 06:06:04,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:04,855 INFO L82 PathProgramCache]: Analyzing trace with hash 889568230, now seen corresponding path program 1 times [2018-10-27 06:06:04,857 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:04,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:04,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:04,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:04,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:04,996 INFO L82 PathProgramCache]: Analyzing trace with hash 43006517, now seen corresponding path program 1 times [2018-10-27 06:06:04,997 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:04,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:04,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:04,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:04,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:05,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:06:05,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 06:06:05,078 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-10-27 06:06:05,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:06:05,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:06:05,091 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-10-27 06:06:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:06:05,151 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2018-10-27 06:06:05,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:06:05,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2018-10-27 06:06:05,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:06:05,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 13 states and 14 transitions. [2018-10-27 06:06:05,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2018-10-27 06:06:05,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2018-10-27 06:06:05,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2018-10-27 06:06:05,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:05,162 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-10-27 06:06:05,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2018-10-27 06:06:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-10-27 06:06:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-10-27 06:06:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-10-27 06:06:05,182 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-10-27 06:06:05,182 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-10-27 06:06:05,183 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:06:05,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2018-10-27 06:06:05,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:06:05,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:05,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:05,184 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:06:05,184 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:05,184 INFO L793 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 57#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 50#L548 assume !(main_~length~0 < 1); 51#L548-2 #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset; 54#L552 SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1) * 1, 1); srcloc: L552 59#L552-1 assume { :begin_inline_cstrchr } true;cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet10;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 55#L542-9 [2018-10-27 06:06:05,185 INFO L795 eck$LassoCheckResult]: Loop: 55#L542-9 assume true; 56#L542-1 SUMMARY for call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1); srcloc: L542-1 60#L542-2 cstrchr_#t~short4 := cstrchr_#t~mem2 != 0; 61#L542-3 assume cstrchr_#t~short4; 62#L542-4 SUMMARY for call cstrchr_#t~mem3 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1); srcloc: L542-4 52#L542-5 cstrchr_#t~short4 := cstrchr_#t~mem3 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 53#L542-7 assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~mem2;havoc cstrchr_#t~short4;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, cstrchr_#t~post5.offset + 1;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 55#L542-9 [2018-10-27 06:06:05,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:05,185 INFO L82 PathProgramCache]: Analyzing trace with hash 889568230, now seen corresponding path program 2 times [2018-10-27 06:06:05,185 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:05,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:05,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:05,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:05,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:05,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1620537192, now seen corresponding path program 1 times [2018-10-27 06:06:05,212 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:05,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:05,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,214 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:05,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:05,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:05,235 INFO L82 PathProgramCache]: Analyzing trace with hash 318216467, now seen corresponding path program 1 times [2018-10-27 06:06:05,235 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:05,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:05,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:05,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:05,545 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2018-10-27 06:06:06,043 WARN L179 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-10-27 06:06:06,651 WARN L179 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2018-10-27 06:06:06,714 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:06,715 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:06,715 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:06,715 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:06,715 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:06,715 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:06,716 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:06,716 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:06,716 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca_true-valid-memsafety_true-termination.i_Iteration2_Lasso [2018-10-27 06:06:06,716 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:06,716 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:06,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,931 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-10-27 06:06:07,153 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2018-10-27 06:06:07,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:07,612 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2018-10-27 06:06:07,713 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:07,718 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:07,720 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 [2018-10-27 06:06:07,722 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,724 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,727 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,730 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,730 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 [2018-10-27 06:06:07,731 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,731 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,732 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,732 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,736 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,736 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 [2018-10-27 06:06:07,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,737 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,738 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,739 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,739 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 [2018-10-27 06:06:07,740 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,740 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,740 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,741 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,746 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,747 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 [2018-10-27 06:06:07,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,748 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,750 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,751 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,756 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,757 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 [2018-10-27 06:06:07,757 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,757 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:07,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,758 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,758 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:07,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:07,760 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,760 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 [2018-10-27 06:06:07,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,761 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,766 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,767 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,771 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,772 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 [2018-10-27 06:06:07,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,773 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,777 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,778 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,790 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,791 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 [2018-10-27 06:06:07,791 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:07,792 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,795 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:07,795 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:07,798 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:07,799 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 [2018-10-27 06:06:07,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:07,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:07,800 INFO L206 nArgumentSynthesizer]: 6 loop disjuncts [2018-10-27 06:06:07,800 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:07,856 INFO L402 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2018-10-27 06:06:07,857 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-10-27 06:06:08,117 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:08,120 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 [2018-10-27 06:06:08,122 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:08,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:08,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:08,123 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:08,125 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:08,125 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:08,129 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:08,131 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 [2018-10-27 06:06:08,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:08,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:08,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:08,133 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:08,134 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:08,135 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:08,143 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:08,145 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 [2018-10-27 06:06:08,147 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:08,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:08,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:08,148 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:08,150 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:08,151 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:08,153 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:08,153 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 [2018-10-27 06:06:08,154 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:08,155 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:08,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:08,155 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:08,157 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:08,159 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:08,183 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:08,205 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:06:08,205 INFO L444 ModelExtractionUtils]: 26 out of 31 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-10-27 06:06:08,207 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:08,209 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:06:08,209 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:08,211 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s.offset, v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1) = -1*ULTIMATE.start_cstrchr_~s.offset + 1*v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1 Supporting invariants [] [2018-10-27 06:06:08,322 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2018-10-27 06:06:08,351 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:06:08,354 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-10-27 06:06:08,354 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 06:06:08,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:08,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:08,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:08,851 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 [2018-10-27 06:06:08,852 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand 5 states. [2018-10-27 06:06:09,031 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand 5 states. Result 20 states and 22 transitions. Complement of second has 7 states. [2018-10-27 06:06:09,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-10-27 06:06:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2018-10-27 06:06:09,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 7 letters. [2018-10-27 06:06:09,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:09,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 13 letters. Loop has 7 letters. [2018-10-27 06:06:09,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:09,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 14 letters. [2018-10-27 06:06:09,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:09,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2018-10-27 06:06:09,037 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:09,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2018-10-27 06:06:09,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:09,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:09,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:09,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:09,038 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:09,038 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:09,038 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:09,038 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-10-27 06:06:09,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:06:09,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:09,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:06:09,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:09 BoogieIcfgContainer [2018-10-27 06:06:09,045 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:09,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:09,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:09,045 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:09,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:04" (3/4) ... [2018-10-27 06:06:09,048 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:09,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:09,049 INFO L168 Benchmark]: Toolchain (without parser) took 5438.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -223.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:09,050 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:09,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.48 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:09,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:09,051 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:09,052 INFO L168 Benchmark]: RCFGBuilder took 526.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:09,052 INFO L168 Benchmark]: BuchiAutomizer took 4328.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.4 MB). Peak memory consumption was 157.2 kB. Max. memory is 11.5 GB. [2018-10-27 06:06:09,053 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:09,057 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 434.48 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 928.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4328.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.4 MB). Peak memory consumption was 157.2 kB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.2 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[#Ultimate.alloc_#res] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 12 SDslu, 24 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax100 hnf99 lsp98 ukn83 mio100 lsp32 div141 bol100 ite100 ukn100 eq153 hnf77 smp100 dnf729 smp27 tf100 neg95 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 317ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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...