./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-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_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/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 001582003a9a42d7c73bfe1e3e6fff242f9ddf73 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:39:52,832 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:39:52,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:39:52,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:39:52,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:39:52,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:39:52,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:39:52,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:39:52,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:39:52,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:39:52,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:39:52,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:39:52,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:39:52,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:39:52,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:39:52,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:39:52,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:39:52,853 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:39:52,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:39:52,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:39:52,857 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:39:52,858 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:39:52,859 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:39:52,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:39:52,860 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:39:52,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:39:52,861 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:39:52,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:39:52,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:39:52,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:39:52,864 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:39:52,864 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:39:52,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:39:52,865 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:39:52,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:39:52,866 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:39:52,866 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 11:39:52,878 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:39:52,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:39:52,879 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:39:52,879 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:39:52,880 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:39:52,880 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 11:39:52,880 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 11:39:52,880 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 11:39:52,880 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 11:39:52,880 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 11:39:52,881 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 11:39:52,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:39:52,881 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 11:39:52,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:39:52,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:39:52,881 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 11:39:52,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 11:39:52,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 11:39:52,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:39:52,882 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 11:39:52,882 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:39:52,882 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 11:39:52,882 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:39:52,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:39:52,883 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 11:39:52,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:39:52,883 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:39:52,883 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 11:39:52,884 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 11:39:52,884 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_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/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 -> 001582003a9a42d7c73bfe1e3e6fff242f9ddf73 [2018-11-23 11:39:52,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:39:52,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:39:52,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:39:52,920 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:39:52,920 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:39:52,920 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca_true-termination.c.i [2018-11-23 11:39:52,958 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/data/6613397e6/b7e018f1dccb46658b30abe09d6b7960/FLAGeebe28e79 [2018-11-23 11:39:53,352 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:39:53,353 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca_true-termination.c.i [2018-11-23 11:39:53,363 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/data/6613397e6/b7e018f1dccb46658b30abe09d6b7960/FLAGeebe28e79 [2018-11-23 11:39:53,737 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/bin-2019/uautomizer/data/6613397e6/b7e018f1dccb46658b30abe09d6b7960 [2018-11-23 11:39:53,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:39:53,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:39:53,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:53,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:39:53,745 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:39:53,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:53" (1/1) ... [2018-11-23 11:39:53,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d97fd37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:53, skipping insertion in model container [2018-11-23 11:39:53,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:53" (1/1) ... [2018-11-23 11:39:53,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:39:53,792 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:39:54,004 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:54,013 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:39:54,083 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:54,114 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:39:54,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54 WrapperNode [2018-11-23 11:39:54,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:54,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:54,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:39:54,116 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:39:54,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:54,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:39:54,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:39:54,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:39:54,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... [2018-11-23 11:39:54,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:39:54,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:39:54,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:39:54,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:39:54,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8e2b589-1151-4fad-a22e-fbbdb38ba7a2/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 11:39:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:39:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 11:39:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 11:39:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:39:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:39:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:39:54,324 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:39:54,324 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 11:39:54,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:54 BoogieIcfgContainer [2018-11-23 11:39:54,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:39:54,326 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 11:39:54,326 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 11:39:54,329 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 11:39:54,329 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:39:54,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:39:53" (1/3) ... [2018-11-23 11:39:54,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55b0da7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:39:54, skipping insertion in model container [2018-11-23 11:39:54,330 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:39:54,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:54" (2/3) ... [2018-11-23 11:39:54,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55b0da7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:39:54, skipping insertion in model container [2018-11-23 11:39:54,331 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:39:54,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:54" (3/3) ... [2018-11-23 11:39:54,333 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpcpy-alloca_true-termination.c.i [2018-11-23 11:39:54,378 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:39:54,378 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 11:39:54,379 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 11:39:54,379 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 11:39:54,379 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:39:54,379 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:39:54,379 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 11:39:54,379 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:39:54,379 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 11:39:54,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 11:39:54,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 11:39:54,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:39:54,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:39:54,417 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 11:39:54,418 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 11:39:54,418 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 11:39:54,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 11:39:54,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 11:39:54,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:39:54,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:39:54,420 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 11:39:54,420 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 11:39:54,426 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 8#L555true assume !(main_~length1~0 < 1); 11#L555-2true assume !(main_~length2~0 < 1); 4#L558-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstpcpy_#in~to.base, cstpcpy_#in~to.offset, cstpcpy_#in~from.base, cstpcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstpcpy_#res.base, cstpcpy_#res.offset;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset, cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset, cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, cstpcpy_~from.base, cstpcpy_~from.offset;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_#in~to.base, cstpcpy_#in~to.offset;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_#in~from.base, cstpcpy_#in~from.offset; 6#L549-4true [2018-11-23 11:39:54,426 INFO L796 eck$LassoCheckResult]: Loop: 6#L549-4true call cstpcpy_#t~mem4 := read~int(cstpcpy_~from.base, cstpcpy_~from.offset, 1);call write~int(cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, 1); 3#L549-1true assume !!(0 != cstpcpy_#t~mem4);havoc cstpcpy_#t~mem4; 5#L549-3true cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset := cstpcpy_~from.base, 1 + cstpcpy_~from.offset;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_~from.base, 1 + cstpcpy_~from.offset;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset;cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset := cstpcpy_~to.base, 1 + cstpcpy_~to.offset;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_~to.base, 1 + cstpcpy_~to.offset;havoc cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset; 6#L549-4true [2018-11-23 11:39:54,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:54,431 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-23 11:39:54,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:39:54,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:39:54,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:54,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:54,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:39:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:39:54,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:54,533 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2018-11-23 11:39:54,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:39:54,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:39:54,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:54,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:54,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:39:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:39:54,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:54,548 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2018-11-23 11:39:54,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:39:54,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:39:54,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:54,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:54,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:39:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:39:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:39:54,882 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2018-11-23 11:39:54,942 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 11:39:54,943 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 11:39:54,943 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 11:39:54,943 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 11:39:54,943 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 11:39:54,944 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 11:39:54,944 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 11:39:54,944 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 11:39:54,944 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 11:39:54,944 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 11:39:54,945 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 11:39:54,969 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 11:39:54,985 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 11:39:54,987 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 11:39:54,996 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 11:39:54,998 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 11:39:55,000 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 11:39:55,005 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 11:39:55,007 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 11:39:55,011 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 11:39:55,028 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 11:39:55,030 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 11:39:55,032 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 11:39:55,039 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 11:39:55,048 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 11:39:55,049 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 11:39:55,052 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 11:39:55,054 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 11:39:55,056 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 11:39:55,263 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-11-23 11:39:55,723 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 11:39:55,728 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 11:39:55,729 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 11:39:55,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,731 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,733 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,735 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 11:39:55,736 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,736 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,736 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,737 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,738 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 11:39:55,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,739 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,739 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,740 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 11:39:55,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,741 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,741 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,742 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,743 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 11:39:55,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,744 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,745 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,746 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 11:39:55,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,747 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,748 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,748 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,752 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 11:39:55,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,752 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,753 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,753 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,755 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 11:39:55,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,755 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,757 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,757 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,761 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 11:39:55,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,762 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,764 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,764 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,766 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,767 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 11:39:55,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,767 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,768 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,768 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,770 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 11:39:55,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,770 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,770 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,771 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,772 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 [2018-11-23 11:39:55,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,773 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,773 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,774 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,775 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 11:39:55,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,775 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,776 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,776 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,777 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 11:39:55,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,778 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,780 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 11:39:55,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,780 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,781 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,781 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,783 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,784 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 11:39:55,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,784 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,785 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,785 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,788 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 11:39:55,789 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,789 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:39:55,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,789 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,790 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:39:55,790 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:39:55,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,791 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 [2018-11-23 11:39:55,791 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,791 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,792 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,793 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,796 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 11:39:55,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,798 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,798 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:39:55,800 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 11:39:55,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:39:55,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:39:55,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:39:55,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:39:55,804 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:39:55,805 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:39:55,859 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 11:39:55,892 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-23 11:39:55,892 INFO L444 ModelExtractionUtils]: 37 out of 43 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 11:39:55,894 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 11:39:55,895 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 11:39:55,895 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 11:39:55,896 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstpcpy_~to.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstpcpy_~to.offset Supporting invariants [] [2018-11-23 11:39:55,944 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-23 11:39:55,950 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 11:39:55,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:55,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:56,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:56,020 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 11:39:56,033 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 11:39:56,034 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2018-11-23 11:39:56,090 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 26 states and 30 transitions. Complement of second has 6 states. [2018-11-23 11:39:56,090 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 11:39:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:39:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-11-23 11:39:56,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 11:39:56,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 11:39:56,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-23 11:39:56,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 11:39:56,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-23 11:39:56,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 11:39:56,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2018-11-23 11:39:56,097 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 11:39:56,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2018-11-23 11:39:56,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 11:39:56,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 11:39:56,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 11:39:56,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 11:39:56,100 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:39:56,100 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:39:56,100 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:39:56,101 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 11:39:56,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:39:56,101 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 11:39:56,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 11:39:56,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:39:56 BoogieIcfgContainer [2018-11-23 11:39:56,105 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 11:39:56,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:39:56,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:39:56,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:39:56,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:54" (3/4) ... [2018-11-23 11:39:56,109 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 11:39:56,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:39:56,109 INFO L168 Benchmark]: Toolchain (without parser) took 2368.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -95.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:39:56,110 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:39:56,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:39:56,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.85 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:39:56,112 INFO L168 Benchmark]: Boogie Preprocessor took 16.19 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 11:39:56,112 INFO L168 Benchmark]: RCFGBuilder took 165.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:39:56,112 INFO L168 Benchmark]: BuchiAutomizer took 1779.83 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:39:56,113 INFO L168 Benchmark]: Witness Printer took 3.33 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 11:39:56,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.85 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1779.83 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.33 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * to and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 16 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax109 hnf99 lsp88 ukn90 mio100 lsp47 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...