./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_false-unreach-call1_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_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_false-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/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 4014a08717bee16562799bf12a30d126f8a502b7 ........................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:34:43,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:34:43,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:34:43,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:34:43,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:34:43,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:34:43,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:34:43,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:34:43,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:34:43,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:34:43,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:34:43,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:34:43,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:34:43,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:34:43,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:34:43,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:34:43,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:34:43,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:34:43,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:34:43,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:34:43,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:34:43,382 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:34:43,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:34:43,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:34:43,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:34:43,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:34:43,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:34:43,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:34:43,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:34:43,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:34:43,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:34:43,388 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:34:43,388 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:34:43,389 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:34:43,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:34:43,390 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:34:43,390 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 07:34:43,401 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:34:43,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:34:43,402 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:34:43,403 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:34:43,403 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:34:43,403 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 07:34:43,403 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 07:34:43,403 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 07:34:43,403 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 07:34:43,403 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 07:34:43,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:34:43,404 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 07:34:43,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 07:34:43,405 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 07:34:43,405 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:34:43,405 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:34:43,405 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 07:34:43,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 07:34:43,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:34:43,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:34:43,408 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 07:34:43,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:34:43,408 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:34:43,408 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 07:34:43,409 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 07:34:43,409 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_e126c3e3-dec2-46b3-bb65-e3491b011af3/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 -> 4014a08717bee16562799bf12a30d126f8a502b7 [2018-11-10 07:34:43,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:34:43,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:34:43,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:34:43,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:34:43,447 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:34:43,447 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/array_false-unreach-call1_true-termination.i [2018-11-10 07:34:43,488 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/data/cf123f52c/7ce59d17637a478bbe484a30988f5633/FLAG65a990495 [2018-11-10 07:34:43,818 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:34:43,818 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/sv-benchmarks/c/loop-acceleration/array_false-unreach-call1_true-termination.i [2018-11-10 07:34:43,823 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/data/cf123f52c/7ce59d17637a478bbe484a30988f5633/FLAG65a990495 [2018-11-10 07:34:43,835 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/bin-2019/uautomizer/data/cf123f52c/7ce59d17637a478bbe484a30988f5633 [2018-11-10 07:34:43,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:34:43,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:34:43,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:34:43,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:34:43,841 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:34:43,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:43,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43, skipping insertion in model container [2018-11-10 07:34:43,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:43,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:34:43,861 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:34:43,957 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:34:43,960 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:34:43,971 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:34:43,986 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:34:43,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43 WrapperNode [2018-11-10 07:34:43,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:34:43,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:34:43,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:34:43,988 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:34:43,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:34:44,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:34:44,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:34:44,015 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:34:44,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... [2018-11-10 07:34:44,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:34:44,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:34:44,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:34:44,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:34:44,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e126c3e3-dec2-46b3-bb65-e3491b011af3/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 07:34:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:34:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:34:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:34:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:34:44,243 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:34:44,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:34:44 BoogieIcfgContainer [2018-11-10 07:34:44,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:34:44,244 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 07:34:44,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 07:34:44,248 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 07:34:44,249 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:34:44,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 07:34:43" (1/3) ... [2018-11-10 07:34:44,250 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42e3ed2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 07:34:44, skipping insertion in model container [2018-11-10 07:34:44,250 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:34:44,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:43" (2/3) ... [2018-11-10 07:34:44,251 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42e3ed2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 07:34:44, skipping insertion in model container [2018-11-10 07:34:44,251 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:34:44,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:34:44" (3/3) ... [2018-11-10 07:34:44,253 INFO L375 chiAutomizerObserver]: Analyzing ICFG array_false-unreach-call1_true-termination.i [2018-11-10 07:34:44,306 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:34:44,307 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 07:34:44,307 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 07:34:44,307 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 07:34:44,307 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:34:44,307 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:34:44,307 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 07:34:44,307 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:34:44,307 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 07:34:44,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-10 07:34:44,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-10 07:34:44,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 07:34:44,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 07:34:44,347 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 07:34:44,347 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 07:34:44,347 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 07:34:44,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-10 07:34:44,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-10 07:34:44,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 07:34:44,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 07:34:44,349 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 07:34:44,349 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 07:34:44,357 INFO L793 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_#t~mem1, main_~#A~0.base, main_~#A~0.offset, main_~i~0;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8192;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#A~0.base, main_~#A~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;havoc main_~i~0;main_~i~0 := 0; 4#L11-3true [2018-11-10 07:34:44,357 INFO L795 eck$LassoCheckResult]: Loop: 4#L11-3true assume true; 7#L11-1true assume !!(main_~i~0 < 1024); 11#L12true SUMMARY for call write~int(main_~i~0, main_~#A~0.base, main_~#A~0.offset + main_~i~0 * 4, 4); srcloc: L12 9#L12-1true main_#t~post0 := main_~i~0;main_~i~0 := main_#t~post0 + 1;havoc main_#t~post0; 4#L11-3true [2018-11-10 07:34:44,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:44,363 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 07:34:44,365 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:34:44,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:34:44,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:34:44,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:34:44,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:34:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:34:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:34:44,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:44,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1113224, now seen corresponding path program 1 times [2018-11-10 07:34:44,465 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:34:44,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:34:44,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:34:44,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:34:44,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:34:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:34:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:34:44,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:44,482 INFO L82 PathProgramCache]: Analyzing trace with hash 889540426, now seen corresponding path program 1 times [2018-11-10 07:34:44,482 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:34:44,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:34:44,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:34:44,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:34:44,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:34:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:34:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:34:44,725 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 07:34:44,726 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 07:34:44,726 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 07:34:44,726 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 07:34:44,726 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 07:34:44,727 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:34:44,727 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 07:34:44,727 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 07:34:44,727 INFO L131 ssoRankerPreferences]: Filename of dumped script: array_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 07:34:44,727 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 07:34:44,727 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 07:34:44,749 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 07:34:44,753 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 07:34:44,757 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 07:34:44,762 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 07:34:44,879 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 07:34:44,882 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 07:34:45,084 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 07:34:45,088 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 07:34:45,090 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 07:34:45,092 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,092 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:34:45,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,093 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,093 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,095 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:34:45,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:34:45,098 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,098 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 07:34:45,099 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,099 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:34:45,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,099 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,100 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:34:45,100 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:34:45,101 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,103 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 07:34:45,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,104 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,106 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:34:45,106 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:34:45,115 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,116 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 07:34:45,116 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,117 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,118 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:34:45,118 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:34:45,133 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,142 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 07:34:45,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,146 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,148 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:34:45,149 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:34:45,157 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,157 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 07:34:45,158 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,158 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,162 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:34:45,162 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:34:45,184 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,185 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 07:34:45,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,187 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:34:45,187 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:34:45,202 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:34:45,203 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 07:34:45,203 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:34:45,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:34:45,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:34:45,204 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:34:45,207 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 07:34:45,208 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 07:34:45,236 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 07:34:45,255 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-10 07:34:45,255 INFO L444 ModelExtractionUtils]: 18 out of 22 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 07:34:45,258 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 07:34:45,259 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 07:34:45,260 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 07:34:45,260 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 2047 Supporting invariants [] [2018-11-10 07:34:45,270 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-10 07:34:45,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:34:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:45,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:34:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:34:45,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:34:45,324 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 07:34:45,334 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-10 07:34:45,335 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-11-10 07:34:45,368 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 34 states and 38 transitions. Complement of second has 7 states. [2018-11-10 07:34:45,368 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 [2018-11-10 07:34:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 07:34:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-10 07:34:45,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-10 07:34:45,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:34:45,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-10 07:34:45,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:34:45,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-10 07:34:45,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:34:45,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 38 transitions. [2018-11-10 07:34:45,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 07:34:45,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2018-11-10 07:34:45,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 07:34:45,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 07:34:45,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 07:34:45,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 07:34:45,378 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:34:45,378 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:34:45,378 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:34:45,378 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 07:34:45,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:34:45,378 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 07:34:45,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 07:34:45,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 07:34:45 BoogieIcfgContainer [2018-11-10 07:34:45,382 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 07:34:45,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:34:45,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:34:45,383 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:34:45,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:34:44" (3/4) ... [2018-11-10 07:34:45,386 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:34:45,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:34:45,386 INFO L168 Benchmark]: Toolchain (without parser) took 1548.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 960.3 MB in the beginning and 979.6 MB in the end (delta: -19.3 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:45,388 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:45,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:45,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:45,389 INFO L168 Benchmark]: Boogie Preprocessor took 16.86 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:45,390 INFO L168 Benchmark]: RCFGBuilder took 211.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:45,390 INFO L168 Benchmark]: BuchiAutomizer took 1138.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.6 MB in the end (delta: 123.0 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:34:45,391 INFO L168 Benchmark]: Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:34:45,394 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 27.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.86 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 211.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1138.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.6 MB in the end (delta: 123.0 MB). Peak memory consumption was 123.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 979.6 MB. 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 -2 * i + 2047 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 16 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: inital98 mio100 ax100 hnf100 lsp93 ukn96 mio100 lsp51 div100 bol100 ite100 ukn100 eq173 hnf89 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...