./Ultimate.py --spec ../../sv-benchmarks/c/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/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_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/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 0.1.23-1dbac8b [2018-11-10 07:58:47,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:58:47,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:58:47,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:58:47,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:58:47,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:58:47,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:58:47,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:58:47,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:58:47,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:58:47,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:58:47,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:58:47,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:58:47,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:58:47,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:58:47,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:58:47,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:58:47,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:58:47,491 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:58:47,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:58:47,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:58:47,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:58:47,495 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:58:47,495 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:58:47,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:58:47,496 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:58:47,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:58:47,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:58:47,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:58:47,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:58:47,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:58:47,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:58:47,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:58:47,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:58:47,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:58:47,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:58:47,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 07:58:47,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:58:47,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:58:47,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:58:47,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:58:47,513 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:58:47,514 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 07:58:47,514 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 07:58:47,514 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 07:58:47,514 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 07:58:47,514 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 07:58:47,514 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 07:58:47,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:58:47,515 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 07:58:47,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 07:58:47,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:58:47,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:58:47,516 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 07:58:47,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:58:47,516 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:58:47,516 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 07:58:47,517 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 07:58:47,517 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_6851b333-2616-4ffb-9101-a05a2aa88f08/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 [2018-11-10 07:58:47,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:58:47,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:58:47,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:58:47,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:58:47,556 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:58:47,556 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca_true-termination.c.i [2018-11-10 07:58:47,596 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/data/b80f5d5ae/d6968cefa8104519aa572e53b21e4af6/FLAGcce5d0c73 [2018-11-10 07:58:47,975 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:58:47,976 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca_true-termination.c.i [2018-11-10 07:58:47,986 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/data/b80f5d5ae/d6968cefa8104519aa572e53b21e4af6/FLAGcce5d0c73 [2018-11-10 07:58:47,996 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/bin-2019/uautomizer/data/b80f5d5ae/d6968cefa8104519aa572e53b21e4af6 [2018-11-10 07:58:47,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:58:47,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:58:48,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:58:48,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:58:48,003 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:58:48,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:58:47" (1/1) ... [2018-11-10 07:58:48,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4450142d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48, skipping insertion in model container [2018-11-10 07:58:48,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:58:47" (1/1) ... [2018-11-10 07:58:48,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:58:48,045 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:58:48,233 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:58:48,241 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:58:48,267 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:58:48,296 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:58:48,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48 WrapperNode [2018-11-10 07:58:48,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:58:48,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:58:48,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:58:48,298 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:58:48,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:58:48,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:58:48,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:58:48,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:58:48,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... [2018-11-10 07:58:48,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:58:48,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:58:48,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:58:48,390 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:58:48,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6851b333-2616-4ffb-9101-a05a2aa88f08/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 [2018-11-10 07:58:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:58:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:58:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:58:48,569 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:58:48,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:58:48 BoogieIcfgContainer [2018-11-10 07:58:48,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:58:48,569 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 07:58:48,569 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 07:58:48,572 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 07:58:48,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:58:48,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 07:58:47" (1/3) ... [2018-11-10 07:58:48,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69290338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 07:58:48, skipping insertion in model container [2018-11-10 07:58:48,573 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:58:48,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:58:48" (2/3) ... [2018-11-10 07:58:48,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69290338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 07:58:48, skipping insertion in model container [2018-11-10 07:58:48,573 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:58:48,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:58:48" (3/3) ... [2018-11-10 07:58:48,575 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpcpy-alloca_true-termination.c.i [2018-11-10 07:58:48,618 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:58:48,618 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 07:58:48,618 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 07:58:48,618 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 07:58:48,619 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:58:48,619 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:58:48,619 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 07:58:48,619 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:58:48,619 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 07:58:48,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 07:58:48,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 07:58:48,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 07:58:48,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 07:58:48,655 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:58:48,655 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 07:58:48,655 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 07:58:48,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-10 07:58:48,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 07:58:48,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 07:58:48,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 07:58:48,657 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:58:48,657 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 07:58:48,663 INFO L793 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;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); 13#L555-2true assume !(main_~length2~0 < 1); 5#L558-1true assume !(main_~length1~0 < main_~length2~0);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length1~0 * 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~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length2~0 * 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~malloc8.base, main_#t~malloc8.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~malloc8.base, main_#t~malloc8.offset; 12#L564true SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1) * 1, 1); srcloc: L564 16#L564-1true assume { :begin_inline_cstpcpy } true;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; 10#L549-6true [2018-11-10 07:58:48,663 INFO L795 eck$LassoCheckResult]: Loop: 10#L549-6true assume true; 3#L549-1true SUMMARY for call cstpcpy_#t~mem4 := read~int(cstpcpy_~from.base, cstpcpy_~from.offset, 1); srcloc: L549-1 4#L549-2true SUMMARY for call write~int(cstpcpy_#t~mem4, cstpcpy_~to.base, cstpcpy_~to.offset, 1); srcloc: L549-2 6#L549-3true assume !!(cstpcpy_#t~mem4 != 0);havoc cstpcpy_#t~mem4; 9#L549-5true cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset := cstpcpy_~from.base, cstpcpy_~from.offset + 1;cstpcpy_~from.base, cstpcpy_~from.offset := cstpcpy_~from.base, cstpcpy_~from.offset + 1;havoc cstpcpy_#t~pre2.base, cstpcpy_#t~pre2.offset;cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset := cstpcpy_~to.base, cstpcpy_~to.offset + 1;cstpcpy_~to.base, cstpcpy_~to.offset := cstpcpy_~to.base, cstpcpy_~to.offset + 1;havoc cstpcpy_#t~pre3.base, cstpcpy_#t~pre3.offset; 10#L549-6true [2018-11-10 07:58:48,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:58:48,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939467, now seen corresponding path program 1 times [2018-11-10 07:58:48,670 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:58:48,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:58:48,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:58:48,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:58:48,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:58:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:58:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:58:48,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:58:48,767 INFO L82 PathProgramCache]: Analyzing trace with hash 52518715, now seen corresponding path program 1 times [2018-11-10 07:58:48,767 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:58:48,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:58:48,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:58:48,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:58:48,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:58:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:58:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:58:48,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:58:48,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1253926961, now seen corresponding path program 1 times [2018-11-10 07:58:48,783 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:58:48,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:58:48,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:58:48,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:58:48,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:58:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:58:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:58:49,120 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-11-10 07:58:49,187 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 07:58:49,188 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 07:58:49,188 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 07:58:49,188 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 07:58:49,188 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 07:58:49,188 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:58:49,188 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 07:58:49,188 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 07:58:49,188 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-10 07:58:49,189 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 07:58:49,189 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 07:58:49,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,514 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2018-11-10 07:58:49,629 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2018-11-10 07:58:49,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:49,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 07:58:50,083 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 07:58:50,086 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 07:58:50,087 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 [2018-11-10 07:58:50,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,089 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,090 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,093 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,093 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 [2018-11-10 07:58:50,094 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,094 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,095 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,096 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,096 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 [2018-11-10 07:58:50,097 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,097 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,097 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,098 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,099 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,099 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 [2018-11-10 07:58:50,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,100 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,101 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,101 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,101 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,102 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 [2018-11-10 07:58:50,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,103 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,103 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,104 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,104 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 [2018-11-10 07:58:50,105 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,105 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,107 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,107 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,110 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,111 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 [2018-11-10 07:58:50,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,112 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,113 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,114 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,120 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,120 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 [2018-11-10 07:58:50,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,122 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,125 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,125 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 [2018-11-10 07:58:50,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,127 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,127 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,130 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,130 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 [2018-11-10 07:58:50,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,133 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,133 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 [2018-11-10 07:58:50,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,134 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,135 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,136 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 [2018-11-10 07:58:50,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,137 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,138 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,138 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 [2018-11-10 07:58:50,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,139 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,139 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,140 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,140 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 [2018-11-10 07:58:50,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:58:50,140 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,140 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:58:50,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:58:50,141 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,141 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 [2018-11-10 07:58:50,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,142 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,142 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,142 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,142 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,143 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,145 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,146 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 [2018-11-10 07:58:50,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,146 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,148 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,148 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,153 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,153 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 [2018-11-10 07:58:50,154 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,154 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,155 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,156 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,159 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,159 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 [2018-11-10 07:58:50,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,160 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,162 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,162 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,178 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,179 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 [2018-11-10 07:58:50,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,181 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,181 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,185 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,186 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 [2018-11-10 07:58:50,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,186 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 07:58:50,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,187 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,188 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 07:58:50,189 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,200 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:58:50,200 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 [2018-11-10 07:58:50,200 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:58:50,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:58:50,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:58:50,201 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:58:50,205 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:58:50,205 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:58:50,256 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 07:58:50,285 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 07:58:50,285 INFO L444 ModelExtractionUtils]: 47 out of 52 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-10 07:58:50,287 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 07:58:50,289 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 07:58:50,289 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 07:58:50,289 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1, ULTIMATE.start_cstpcpy_~to.offset) = 1*v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1 - 1*ULTIMATE.start_cstpcpy_~to.offset Supporting invariants [] [2018-11-10 07:58:50,332 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2018-11-10 07:58:50,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 07:58:50,342 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 07:58:50,342 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-11-10 07:58:50,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:58:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:58:50,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:58:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:58:50,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:58:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:58:50,434 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 [2018-11-10 07:58:50,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2018-11-10 07:58:50,493 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 39 transitions. Complement of second has 8 states. [2018-11-10 07:58:50,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 07:58:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-10 07:58:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2018-11-10 07:58:50,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 7 letters. Loop has 5 letters. [2018-11-10 07:58:50,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:58:50,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 12 letters. Loop has 5 letters. [2018-11-10 07:58:50,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:58:50,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 7 letters. Loop has 10 letters. [2018-11-10 07:58:50,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:58:50,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 39 transitions. [2018-11-10 07:58:50,499 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 07:58:50,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2018-11-10 07:58:50,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 07:58:50,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 07:58:50,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 07:58:50,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 07:58:50,502 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:58:50,502 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:58:50,502 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:58:50,502 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 07:58:50,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:58:50,503 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 07:58:50,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 07:58:50,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 07:58:50 BoogieIcfgContainer [2018-11-10 07:58:50,507 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 07:58:50,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:58:50,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:58:50,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:58:50,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:58:48" (3/4) ... [2018-11-10 07:58:50,510 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:58:50,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:58:50,510 INFO L168 Benchmark]: Toolchain (without parser) took 2512.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:58:50,511 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:58:50,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.20 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:58:50,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:58:50,513 INFO L168 Benchmark]: Boogie Preprocessor took 19.22 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. [2018-11-10 07:58:50,513 INFO L168 Benchmark]: RCFGBuilder took 179.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:58:50,514 INFO L168 Benchmark]: BuchiAutomizer took 1937.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.7 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:58:50,514 INFO L168 Benchmark]: Witness Printer took 3.08 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. [2018-11-10 07:58:50,517 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.20 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 935.0 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 72.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.22 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 179.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1937.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.7 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 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.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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[#Ultimate.alloc_#res] + -1 * to and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 16 SDtfs, 20 SDslu, 15 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital199 mio100 ax109 hnf99 lsp88 ukn116 mio100 lsp42 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 4 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...