./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans_false-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_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/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 6b853b7a72b17d5b4054a16a7ba98c728e55c23b ............................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:50:45,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:50:45,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:50:45,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:50:45,647 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:50:45,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:50:45,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:50:45,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:50:45,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:50:45,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:50:45,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:50:45,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:50:45,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:50:45,653 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:50:45,654 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:50:45,654 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:50:45,655 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:50:45,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:50:45,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:50:45,659 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:50:45,659 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:50:45,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:50:45,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:50:45,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:50:45,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:50:45,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:50:45,663 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:50:45,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:50:45,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:50:45,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:50:45,665 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:50:45,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:50:45,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:50:45,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:50:45,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:50:45,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:50:45,668 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 07:50:45,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:50:45,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:50:45,679 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:50:45,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:50:45,679 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:50:45,679 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 07:50:45,679 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 07:50:45,680 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 07:50:45,680 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 07:50:45,680 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 07:50:45,680 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 07:50:45,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:50:45,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:50:45,680 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:50:45,681 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:50:45,682 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 07:50:45,682 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 07:50:45,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:50:45,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:50:45,682 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 07:50:45,682 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:50:45,683 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:50:45,683 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 07:50:45,683 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 07:50:45,684 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_5cbb55f1-1de9-431e-809f-ffd4649029f2/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 -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2018-11-10 07:50:45,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:50:45,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:50:45,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:50:45,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:50:45,716 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:50:45,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i [2018-11-10 07:50:45,749 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/data/366c8ea03/e24bf7f4a17543acbeda289b1dd60832/FLAGd4290cc28 [2018-11-10 07:50:46,142 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:50:46,142 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i [2018-11-10 07:50:46,146 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/data/366c8ea03/e24bf7f4a17543acbeda289b1dd60832/FLAGd4290cc28 [2018-11-10 07:50:46,154 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/data/366c8ea03/e24bf7f4a17543acbeda289b1dd60832 [2018-11-10 07:50:46,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:50:46,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:50:46,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:50:46,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:50:46,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:50:46,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdce2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46, skipping insertion in model container [2018-11-10 07:50:46,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:50:46,178 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:50:46,270 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:50:46,272 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:50:46,281 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:50:46,288 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:50:46,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46 WrapperNode [2018-11-10 07:50:46,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:50:46,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:50:46,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:50:46,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:50:46,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:50:46,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:50:46,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:50:46,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:50:46,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... [2018-11-10 07:50:46,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:50:46,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:50:46,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:50:46,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:50:46,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/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 07:50:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:50:46,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:50:46,551 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:50:46,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:50:46 BoogieIcfgContainer [2018-11-10 07:50:46,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:50:46,552 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 07:50:46,552 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 07:50:46,555 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 07:50:46,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:50:46,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 07:50:46" (1/3) ... [2018-11-10 07:50:46,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dc9cf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 07:50:46, skipping insertion in model container [2018-11-10 07:50:46,557 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:50:46,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:50:46" (2/3) ... [2018-11-10 07:50:46,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dc9cf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 07:50:46, skipping insertion in model container [2018-11-10 07:50:46,557 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 07:50:46,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:50:46" (3/3) ... [2018-11-10 07:50:46,559 INFO L375 chiAutomizerObserver]: Analyzing ICFG id_trans_false-unreach-call_true-termination.i [2018-11-10 07:50:46,603 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:50:46,604 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 07:50:46,604 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 07:50:46,604 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 07:50:46,604 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:50:46,604 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:50:46,604 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 07:50:46,605 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:50:46,605 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 07:50:46,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2018-11-10 07:50:46,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2018-11-10 07:50:46,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 07:50:46,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 07:50:46,635 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 07:50:46,635 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:50:46,636 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 07:50:46,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2018-11-10 07:50:46,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2018-11-10 07:50:46,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 07:50:46,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 07:50:46,638 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 07:50:46,638 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:50:46,643 INFO L793 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~idBitLength~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~material_length~0 := main_#t~nondet3;havoc main_#t~nondet3; 4#L16true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && main_~idBitLength~0 % 32 != 0 then main_~idBitLength~0 / 32 + 1 else main_~idBitLength~0 / 32));main_~j~0 := 0; 18#L17-4true [2018-11-10 07:50:46,643 INFO L795 eck$LassoCheckResult]: Loop: 18#L17-4true assume true; 5#L17-1true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && main_~idBitLength~0 % 8 != 0 then main_~idBitLength~0 / 8 + 1 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 23#L4true assume !(__VERIFIER_assert_~cond == 0); 16#L4-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 12#L4-3true assume !(__VERIFIER_assert_~cond == 0); 10#L4-5true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && main_~j~0 % 4 != 0 then main_~j~0 / 4 + 1 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 8#L4-6true assume !(__VERIFIER_assert_~cond == 0); 7#L4-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && main_~j~0 % 4 != 0 then main_~j~0 / 4 + 1 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L4-9true assume !(__VERIFIER_assert_~cond == 0); 22#L4-11true assume { :end_inline___VERIFIER_assert } true; 21#L17-3true main_#t~post4 := main_~j~0;main_~j~0 := main_#t~post4 + 1;havoc main_#t~post4; 18#L17-4true [2018-11-10 07:50:46,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:50:46,647 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-10 07:50:46,648 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:50:46,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:50:46,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:50:46,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:50:46,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:50:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:50:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:50:46,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:50:46,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1565478712, now seen corresponding path program 1 times [2018-11-10 07:50:46,714 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:50:46,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:50:46,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:50:46,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:50:46,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:50:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:50:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:50:46,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:50:46,740 INFO L82 PathProgramCache]: Analyzing trace with hash 129763397, now seen corresponding path program 1 times [2018-11-10 07:50:46,740 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:50:46,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:50:46,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:50:46,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:50:46,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:50:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:50:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:50:46,919 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-11-10 07:50:47,665 WARN L179 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 23 [2018-11-10 07:50:47,673 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 07:50:47,674 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 07:50:47,674 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 07:50:47,674 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 07:50:47,674 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 07:50:47,674 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:50:47,674 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 07:50:47,674 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 07:50:47,675 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_trans_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-10 07:50:47,675 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 07:50:47,675 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 07:50:47,692 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 07:50:47,698 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 07:50:47,701 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 07:50:47,753 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 07:50:47,754 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:50:47,761 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 07:50:47,761 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 07:50:47,767 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 07:50:47,768 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:50:47,786 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 07:50:47,786 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 07:50:47,789 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 07:50:47,789 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:50:47,807 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 07:50:47,807 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5cbb55f1-1de9-431e-809f-ffd4649029f2/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:50:47,841 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 07:50:47,841 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 07:50:47,937 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 07:50:47,938 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 07:50:47,938 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 07:50:47,938 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 07:50:47,938 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 07:50:47,938 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 07:50:47,938 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 07:50:47,938 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 07:50:47,939 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 07:50:47,939 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_trans_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-10 07:50:47,939 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 07:50:47,939 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 07:50:47,940 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 07:50:47,951 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 07:50:47,953 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 07:50:48,044 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 07:50:48,047 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 07:50:48,048 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 07:50:48,049 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:50:48,049 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:50:48,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:50:48,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:50:48,050 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:50:48,051 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:50:48,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:50:48,056 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:50:48,056 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 07:50:48,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:50:48,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:50:48,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:50:48,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:50:48,057 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:50:48,058 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:50:48,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:50:48,059 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 07:50:48,059 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 07:50:48,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 07:50:48,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 07:50:48,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 07:50:48,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 07:50:48,062 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 07:50:48,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 07:50:48,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 07:50:48,071 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 07:50:48,079 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 07:50:48,079 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 07:50:48,081 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 07:50:48,081 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 07:50:48,081 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 07:50:48,082 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~material_length~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~material_length~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-11-10 07:50:48,082 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 07:50:48,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:50:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:50:48,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:50:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:50:48,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:50:48,167 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 07:50:48,181 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 07:50:48,182 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 4 states. [2018-11-10 07:50:48,230 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 4 states. Result 63 states and 75 transitions. Complement of second has 7 states. [2018-11-10 07:50:48,231 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 07:50:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 07:50:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2018-11-10 07:50:48,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 3 letters. Loop has 11 letters. [2018-11-10 07:50:48,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:50:48,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 14 letters. Loop has 11 letters. [2018-11-10 07:50:48,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:50:48,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 3 letters. Loop has 22 letters. [2018-11-10 07:50:48,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 07:50:48,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 75 transitions. [2018-11-10 07:50:48,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 07:50:48,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 0 states and 0 transitions. [2018-11-10 07:50:48,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 07:50:48,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 07:50:48,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 07:50:48,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 07:50:48,245 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:50:48,245 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:50:48,245 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:50:48,245 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 07:50:48,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:50:48,245 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 07:50:48,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 07:50:48,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 07:50:48 BoogieIcfgContainer [2018-11-10 07:50:48,250 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 07:50:48,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:50:48,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:50:48,251 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:50:48,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:50:46" (3/4) ... [2018-11-10 07:50:48,255 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:50:48,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:50:48,256 INFO L168 Benchmark]: Toolchain (without parser) took 2099.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -228.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:50:48,257 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:50:48,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.79 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:50:48,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.02 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:50:48,258 INFO L168 Benchmark]: Boogie Preprocessor took 14.99 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:50:48,258 INFO L168 Benchmark]: RCFGBuilder took 221.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:50:48,259 INFO L168 Benchmark]: BuchiAutomizer took 1698.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -51.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:50:48,260 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:50:48,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.79 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.02 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.99 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 221.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1698.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -51.7 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.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 material_length + -1 * j and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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: 19 SDtfs, 35 SDslu, 17 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf96 lsp79 ukn100 mio100 lsp100 div413 bol100 ite100 ukn100 eq106 hnf47 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...