./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0322173b3e50156a3157d6284ff4dd2480f2ac8d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:13:01,447 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:13:01,448 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:13:01,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:13:01,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:13:01,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:13:01,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:13:01,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:13:01,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:13:01,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:13:01,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:13:01,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:13:01,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:13:01,468 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:13:01,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:13:01,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:13:01,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:13:01,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:13:01,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:13:01,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:13:01,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:13:01,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:13:01,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:13:01,482 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:13:01,482 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:13:01,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:13:01,484 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:13:01,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:13:01,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:13:01,486 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:13:01,486 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:13:01,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:13:01,488 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:13:01,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:13:01,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:13:01,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:13:01,496 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:13:01,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:13:01,513 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:13:01,514 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:13:01,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:13:01,514 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:13:01,514 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:13:01,515 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:13:01,515 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:13:01,516 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:13:01,516 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:13:01,516 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:13:01,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:13:01,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:13:01,517 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:13:01,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:13:01,517 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:13:01,517 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:13:01,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:13:01,517 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:13:01,518 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:13:01,518 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:13:01,518 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:13:01,518 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:13:01,518 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:13:01,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:13:01,519 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:13:01,519 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:13:01,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:13:01,521 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:13:01,521 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:13:01,522 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:13:01,522 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_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0322173b3e50156a3157d6284ff4dd2480f2ac8d [2018-10-27 06:13:01,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:13:01,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:13:01,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:13:01,563 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:13:01,564 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:13:01,564 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-10-27 06:13:01,610 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/data/cc726bf34/796826c85c0445eca93d795b6ddaf3ef/FLAGe34701850 [2018-10-27 06:13:02,036 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:13:02,036 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-10-27 06:13:02,043 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/data/cc726bf34/796826c85c0445eca93d795b6ddaf3ef/FLAGe34701850 [2018-10-27 06:13:02,056 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/data/cc726bf34/796826c85c0445eca93d795b6ddaf3ef [2018-10-27 06:13:02,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:13:02,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:13:02,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:13:02,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:13:02,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:13:02,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d0f8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02, skipping insertion in model container [2018-10-27 06:13:02,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:13:02,101 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:13:02,217 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:13:02,226 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:13:02,243 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:13:02,259 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:13:02,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02 WrapperNode [2018-10-27 06:13:02,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:13:02,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:13:02,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:13:02,261 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:13:02,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:13:02,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:13:02,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:13:02,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:13:02,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... [2018-10-27 06:13:02,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:13:02,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:13:02,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:13:02,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:13:02,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b8924f0-5336-49f3-a01b-46a492b28e18/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:13:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:13:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:13:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:13:02,787 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:13:02,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:02 BoogieIcfgContainer [2018-10-27 06:13:02,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:13:02,790 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:13:02,790 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:13:02,793 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:13:02,794 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:13:02,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:13:02" (1/3) ... [2018-10-27 06:13:02,796 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6441751f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:13:02, skipping insertion in model container [2018-10-27 06:13:02,796 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:13:02,796 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:02" (2/3) ... [2018-10-27 06:13:02,797 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6441751f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:13:02, skipping insertion in model container [2018-10-27 06:13:02,797 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:13:02,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:02" (3/3) ... [2018-10-27 06:13:02,804 INFO L375 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-10-27 06:13:02,893 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:13:02,893 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:13:02,894 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:13:02,894 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:13:02,894 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:13:02,894 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:13:02,894 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:13:02,894 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:13:02,894 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:13:02,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-10-27 06:13:02,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:13:02,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:13:02,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:13:02,944 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:13:02,944 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:13:02,945 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:13:02,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-10-27 06:13:02,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:13:02,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:13:02,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:13:02,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:13:02,950 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-10-27 06:13:02,959 INFO L793 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8;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_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset + 8 - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset + 8 - 4;assume { :begin_inline_glob2 } true;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 3#L18-3true [2018-10-27 06:13:02,960 INFO L795 eck$LassoCheckResult]: Loop: 3#L18-3true assume true;assume glob2_~p~0.base == glob2_~pathlim.base; 6#L18-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 16#L4true assume !(__VERIFIER_assert_~cond == 0); 12#L4-2true assume { :end_inline___VERIFIER_assert } true; 9#L21true SUMMARY for call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); srcloc: L21 7#L21-1true glob2_#t~post0.base, glob2_#t~post0.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post0.base, glob2_#t~post0.offset + 4;havoc glob2_#t~post0.base, glob2_#t~post0.offset; 3#L18-3true [2018-10-27 06:13:02,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:02,972 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:13:02,974 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:13:02,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:13:03,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:03,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:03,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:13:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:13:03,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1069994443, now seen corresponding path program 1 times [2018-10-27 06:13:03,094 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:13:03,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:13:03,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:03,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:03,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:13:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:13:03,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:03,114 INFO L82 PathProgramCache]: Analyzing trace with hash 150043661, now seen corresponding path program 1 times [2018-10-27 06:13:03,114 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:13:03,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:13:03,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:03,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:03,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:13:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:13:03,257 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-27 06:13:03,395 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-27 06:13:03,697 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-10-27 06:13:03,904 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-10-27 06:13:03,913 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:13:03,914 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:13:03,914 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:13:03,914 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:13:03,914 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:13:03,915 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:13:03,915 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:13:03,915 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:13:03,915 INFO L131 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i_Iteration1_Lasso [2018-10-27 06:13:03,915 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:13:03,919 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:13:03,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:03,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:03,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:03,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:03,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:03,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:04,480 WARN L179 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-10-27 06:13:04,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:04,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:13:05,211 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:13:05,215 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:13:05,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,218 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:13:05,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,219 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,220 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:13:05,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:13:05,222 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,223 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,223 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:13:05,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,224 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,224 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,225 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:13:05,226 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:13:05,227 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,227 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,228 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:13:05,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,228 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,229 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:13:05,229 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:13:05,231 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,233 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,233 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,234 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,237 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:13:05,237 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,242 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,243 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,243 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,243 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:13:05,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,244 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,244 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:13:05,244 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:13:05,246 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,246 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,251 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:13:05,251 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,257 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,258 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,258 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,259 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:13:05,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,260 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,269 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:13:05,269 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,336 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:13:05,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,338 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,338 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:13:05,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:13:05,341 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,342 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,344 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:13:05,344 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,362 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,364 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,364 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,366 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:13:05,366 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,386 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,386 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,387 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,388 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,389 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:13:05,389 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,395 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:13:05,395 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:13:05,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:13:05,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:13:05,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:13:05,397 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:13:05,403 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:13:05,403 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:13:05,486 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:13:05,533 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-10-27 06:13:05,534 INFO L444 ModelExtractionUtils]: 37 out of 46 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-10-27 06:13:05,539 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:13:05,541 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:13:05,542 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:13:05,543 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ULTIMATE.start_glob2_~pathlim.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*ULTIMATE.start_glob2_~pathlim.offset + 2 Supporting invariants [] [2018-10-27 06:13:05,604 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-10-27 06:13:05,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:05,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:05,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:05,707 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 [2018-10-27 06:13:05,708 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-10-27 06:13:05,761 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 38 states and 44 transitions. Complement of second has 7 states. [2018-10-27 06:13:05,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:13:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:13:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2018-10-27 06:13:05,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 6 letters. [2018-10-27 06:13:05,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:13:05,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 8 letters. Loop has 6 letters. [2018-10-27 06:13:05,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:13:05,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 12 letters. [2018-10-27 06:13:05,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:13:05,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2018-10-27 06:13:05,785 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:13:05,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2018-10-27 06:13:05,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:13:05,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:13:05,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:13:05,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:13:05,789 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:13:05,789 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:13:05,789 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:13:05,789 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:13:05,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:13:05,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:13:05,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:13:05,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:13:05 BoogieIcfgContainer [2018-10-27 06:13:05,794 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:13:05,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:13:05,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:13:05,795 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:13:05,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:02" (3/4) ... [2018-10-27 06:13:05,798 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:13:05,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:13:05,799 INFO L168 Benchmark]: Toolchain (without parser) took 3739.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:13:05,800 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:13:05,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:13:05,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:13:05,802 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:13:05,802 INFO L168 Benchmark]: RCFGBuilder took 470.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:13:05,803 INFO L168 Benchmark]: BuchiAutomizer took 3004.83 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: -8.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:13:05,804 INFO L168 Benchmark]: Witness Printer took 3.57 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. [2018-10-27 06:13:05,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 470.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3004.83 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: -8.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.57 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.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 -1 * p + pathlim + 2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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: 10 SDtfs, 11 SDslu, 13 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital154 mio100 ax100 hnf100 lsp96 ukn108 mio100 lsp49 div100 bol100 ite110 ukn100 eq194 hnf88 smp86 dnf102 smp100 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 78ms VariablesStem: 9 VariablesLoop: 5 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...