./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_k_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_k_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/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 0689bcaad6979e48b3cdd0eca14ed722ff5f763f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 09:20:30,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:20:30,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:20:30,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:20:30,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:20:30,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:20:30,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:20:30,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:20:30,582 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:20:30,583 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:20:30,583 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:20:30,583 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:20:30,584 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:20:30,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:20:30,585 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:20:30,585 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:20:30,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:20:30,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:20:30,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:20:30,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:20:30,589 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:20:30,590 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:20:30,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:20:30,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:20:30,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:20:30,591 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:20:30,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:20:30,592 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:20:30,593 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:20:30,593 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:20:30,593 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:20:30,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:20:30,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:20:30,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:20:30,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:20:30,595 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:20:30,596 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 09:20:30,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:20:30,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:20:30,606 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:20:30,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:20:30,607 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:20:30,607 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 09:20:30,607 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 09:20:30,607 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 09:20:30,608 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 09:20:30,608 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 09:20:30,608 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 09:20:30,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:20:30,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:20:30,608 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 09:20:30,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:20:30,609 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:20:30,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:20:30,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 09:20:30,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 09:20:30,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 09:20:30,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:20:30,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:20:30,610 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 09:20:30,610 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:20:30,610 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 09:20:30,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:20:30,610 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:20:30,610 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 09:20:30,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:20:30,611 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:20:30,611 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 09:20:30,612 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 09:20:30,612 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_3cc7b982-0020-471f-ab86-6895200ee75d/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 -> 0689bcaad6979e48b3cdd0eca14ed722ff5f763f [2018-12-08 09:20:30,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:20:30,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:20:30,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:20:30,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:20:30,648 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:20:30,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/../../sv-benchmarks/c/loop-new/count_by_k_true-unreach-call_true-termination.i [2018-12-08 09:20:30,686 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/data/1b29842db/7dca0fdacdf94573b18a7376fefbaca9/FLAG5e327f6b7 [2018-12-08 09:20:31,065 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:20:31,066 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/sv-benchmarks/c/loop-new/count_by_k_true-unreach-call_true-termination.i [2018-12-08 09:20:31,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/data/1b29842db/7dca0fdacdf94573b18a7376fefbaca9/FLAG5e327f6b7 [2018-12-08 09:20:31,077 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/data/1b29842db/7dca0fdacdf94573b18a7376fefbaca9 [2018-12-08 09:20:31,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:20:31,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:20:31,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:20:31,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:20:31,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:20:31,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96971f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31, skipping insertion in model container [2018-12-08 09:20:31,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:20:31,098 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:20:31,180 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:20:31,182 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:20:31,191 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:20:31,199 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:20:31,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31 WrapperNode [2018-12-08 09:20:31,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:20:31,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:20:31,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:20:31,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:20:31,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:20:31,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:20:31,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:20:31,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:20:31,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... [2018-12-08 09:20:31,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:20:31,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:20:31,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:20:31,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:20:31,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/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 [2018-12-08 09:20:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:20:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:20:31,378 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:20:31,378 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 09:20:31,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:20:31 BoogieIcfgContainer [2018-12-08 09:20:31,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:20:31,379 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 09:20:31,379 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 09:20:31,381 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 09:20:31,381 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:20:31,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 09:20:31" (1/3) ... [2018-12-08 09:20:31,382 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f23cdd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:20:31, skipping insertion in model container [2018-12-08 09:20:31,382 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:20:31,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:20:31" (2/3) ... [2018-12-08 09:20:31,383 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f23cdd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:20:31, skipping insertion in model container [2018-12-08 09:20:31,383 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:20:31,383 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:20:31" (3/3) ... [2018-12-08 09:20:31,384 INFO L375 chiAutomizerObserver]: Analyzing ICFG count_by_k_true-unreach-call_true-termination.i [2018-12-08 09:20:31,414 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:20:31,414 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 09:20:31,415 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 09:20:31,415 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 09:20:31,415 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:20:31,415 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:20:31,415 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 09:20:31,415 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:20:31,415 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 09:20:31,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-08 09:20:31,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 09:20:31,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:20:31,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:20:31,438 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 09:20:31,438 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 09:20:31,438 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 09:20:31,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-12-08 09:20:31,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 09:20:31,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:20:31,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:20:31,439 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-08 09:20:31,439 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 09:20:31,444 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~i~0, main_~k~0;havoc main_~i~0;havoc main_~k~0;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 12#L14true assume !!(0 <= main_~k~0 && main_~k~0 <= 10);main_~i~0 := 0; 7#L15-3true [2018-12-08 09:20:31,444 INFO L796 eck$LassoCheckResult]: Loop: 7#L15-3true assume !!(main_~i~0 < 1000000 * main_~k~0); 10#L15-2true main_~i~0 := main_~i~0 + main_~k~0; 7#L15-3true [2018-12-08 09:20:31,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:20:31,447 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2018-12-08 09:20:31,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:20:31,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:20:31,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:31,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:20:31,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:31,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:20:31,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 1 times [2018-12-08 09:20:31,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:20:31,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:20:31,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:31,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:20:31,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:31,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:20:31,514 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 1 times [2018-12-08 09:20:31,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:20:31,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:20:31,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:31,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:20:31,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:31,566 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 09:20:31,566 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 09:20:31,566 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 09:20:31,567 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 09:20:31,567 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 09:20:31,567 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:20:31,567 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 09:20:31,567 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 09:20:31,567 INFO L131 ssoRankerPreferences]: Filename of dumped script: count_by_k_true-unreach-call_true-termination.i_Iteration1_Lasso [2018-12-08 09:20:31,567 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 09:20:31,567 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 09:20:31,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:31,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:31,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:31,627 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 09:20:31,627 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/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 [2018-12-08 09:20:31,630 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 09:20:31,630 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 09:20:31,634 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 09:20:31,634 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/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 [2018-12-08 09:20:31,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 09:20:31,657 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/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 [2018-12-08 09:20:31,673 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 09:20:31,673 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 09:20:48,601 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 09:20:48,610 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 09:20:48,610 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 09:20:48,610 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 09:20:48,610 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 09:20:48,610 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 09:20:48,611 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:20:48,611 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 09:20:48,611 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 09:20:48,611 INFO L131 ssoRankerPreferences]: Filename of dumped script: count_by_k_true-unreach-call_true-termination.i_Iteration1_Lasso [2018-12-08 09:20:48,611 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 09:20:48,611 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 09:20:48,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:48,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:48,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:48,648 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 09:20:48,651 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 09:20:48,652 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 [2018-12-08 09:20:48,653 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,654 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,654 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,654 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:20:48,656 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:20:48,656 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,658 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 [2018-12-08 09:20:48,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,659 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,659 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:20:48,659 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:20:48,660 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,660 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,661 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 [2018-12-08 09:20:48,661 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,661 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:20:48,664 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:20:48,665 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:20:48,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,685 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 09:20:48,685 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 [2018-12-08 09:20:48,685 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,685 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,686 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 09:20:48,686 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 09:20:48,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,687 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 [2018-12-08 09:20:48,687 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,687 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,688 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 09:20:48,688 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 09:20:48,688 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,689 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 [2018-12-08 09:20:48,689 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,689 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 09:20:48,692 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 09:20:48,692 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 09:20:48,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,710 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 09:20:48,710 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 [2018-12-08 09:20:48,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,711 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,712 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 09:20:48,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,712 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 [2018-12-08 09:20:48,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,713 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,713 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 09:20:48,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,714 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 [2018-12-08 09:20:48,715 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,715 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,719 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 09:20:48,719 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 09:20:48,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,746 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 09:20:48,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 09:20:48,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,747 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 09:20:48,748 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 09:20:48,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,749 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 [2018-12-08 09:20:48,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,750 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 09:20:48,750 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 09:20:48,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,751 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 [2018-12-08 09:20:48,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:20:48,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,752 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,752 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 09:20:48,756 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 09:20:48,756 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 09:20:48,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,777 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 09:20:48,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 09:20:48,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,778 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 09:20:48,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,779 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 09:20:48,780 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 09:20:48,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,781 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 [2018-12-08 09:20:48,782 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,782 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 09:20:48,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,782 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 09:20:48,783 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 09:20:48,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 09:20:48,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,785 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 09:20:48,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,785 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 09:20:48,788 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 09:20:48,788 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 09:20:48,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,805 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 09:20:48,805 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 [2018-12-08 09:20:48,806 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,806 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 09:20:48,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,806 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,807 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 09:20:48,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,809 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 [2018-12-08 09:20:48,809 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,809 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 09:20:48,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,810 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,810 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 09:20:48,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,812 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 [2018-12-08 09:20:48,812 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,813 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 09:20:48,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,813 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,815 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 09:20:48,816 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 09:20:48,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,832 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 09:20:48,833 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 [2018-12-08 09:20:48,833 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,833 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 09:20:48,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,834 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,834 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 09:20:48,835 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 09:20:48,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,836 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,836 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 [2018-12-08 09:20:48,836 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,837 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 09:20:48,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,837 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 09:20:48,838 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 09:20:48,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,838 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 [2018-12-08 09:20:48,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,839 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 09:20:48,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,839 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 09:20:48,841 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 09:20:48,841 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 09:20:48,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,856 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 09:20:48,857 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 [2018-12-08 09:20:48,857 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,857 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 09:20:48,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,857 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,858 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 09:20:48,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,859 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 [2018-12-08 09:20:48,859 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,860 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 09:20:48,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,860 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,860 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 09:20:48,860 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,861 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 [2018-12-08 09:20:48,861 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,862 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 09:20:48,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,862 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 09:20:48,863 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 09:20:48,863 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 09:20:48,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,876 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 09:20:48,876 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 [2018-12-08 09:20:48,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,877 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 09:20:48,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,877 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 09:20:48,877 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:20:48,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,879 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 [2018-12-08 09:20:48,879 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,879 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 09:20:48,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:20:48,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,879 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 09:20:48,880 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:20:48,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:20:48,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,881 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 [2018-12-08 09:20:48,881 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 09:20:48,881 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 09:20:48,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:20:48,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:20:48,882 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 09:20:48,883 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 09:20:48,883 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 09:20:48,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:20:48,914 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-08 09:20:48,915 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~i~0, main_~k~0;havoc main_~i~0;havoc main_~k~0;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 12#L14true assume !!(0 <= main_~k~0 && main_~k~0 <= 10);main_~i~0 := 0; 7#L15-3true assume !!(main_~i~0 < 1000000 * main_~k~0); 10#L15-2true main_~i~0 := main_~i~0 + main_~k~0; 7#L15-3true [2018-12-08 09:20:48,915 INFO L796 eck$LassoCheckResult]: Loop: 7#L15-3true assume !!(main_~i~0 < 1000000 * main_~k~0); 10#L15-2true main_~i~0 := main_~i~0 + main_~k~0; 7#L15-3true [2018-12-08 09:20:48,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:20:48,915 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 2 times [2018-12-08 09:20:48,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:20:48,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:20:48,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:48,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:20:48,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:48,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:20:48,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 2 times [2018-12-08 09:20:48,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:20:48,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:20:48,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:48,920 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:20:48,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:48,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:20:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash 922106858, now seen corresponding path program 3 times [2018-12-08 09:20:48,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:20:48,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:20:48,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:48,924 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:20:48,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:20:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:20:48,954 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 09:20:48,954 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 09:20:48,954 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 09:20:48,954 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 09:20:48,954 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 09:20:48,954 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:20:48,954 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 09:20:48,954 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 09:20:48,954 INFO L131 ssoRankerPreferences]: Filename of dumped script: count_by_k_true-unreach-call_true-termination.i_Iteration1_Lasso [2018-12-08 09:20:48,954 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 09:20:48,955 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 09:20:48,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:48,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:48,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:20:48,995 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 09:20:48,995 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/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 [2018-12-08 09:20:48,997 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 09:20:48,998 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 09:20:49,000 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 09:20:49,000 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:20:49,016 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 09:20:49,016 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 09:20:49,018 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 09:20:49,019 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:20:49,034 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 09:20:49,035 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc7b982-0020-471f-ab86-6895200ee75d/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:20:49,053 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 09:20:49,054 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 09:21:01,124 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 09:21:01,132 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 09:21:01,133 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 09:21:01,133 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 09:21:01,133 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 09:21:01,133 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 09:21:01,133 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 09:21:01,133 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 09:21:01,133 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 09:21:01,133 INFO L131 ssoRankerPreferences]: Filename of dumped script: count_by_k_true-unreach-call_true-termination.i_Iteration1_Lasso [2018-12-08 09:21:01,133 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 09:21:01,133 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 09:21:01,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:21:01,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:21:01,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 09:21:01,168 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 09:21:01,168 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 09:21:01,168 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 [2018-12-08 09:21:01,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:21:01,169 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:21:01,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:21:01,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:21:01,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:21:01,169 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:21:01,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:21:01,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:21:01,170 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 [2018-12-08 09:21:01,170 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:21:01,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 09:21:01,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:21:01,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:21:01,170 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:21:01,171 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 09:21:01,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 09:21:01,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 09:21:01,171 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 [2018-12-08 09:21:01,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 09:21:01,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 09:21:01,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 09:21:01,172 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 09:21:01,172 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 09:21:01,172 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 09:21:01,178 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 09:21:01,186 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-12-08 09:21:01,186 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-08 09:21:01,187 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 09:21:01,188 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-08 09:21:01,188 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 09:21:01,189 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~k~0) = -1*ULTIMATE.start_main_~i~0 + 1000000*ULTIMATE.start_main_~k~0 Supporting invariants [1000000*ULTIMATE.start_main_~k~0 - 1 >= 0] [2018-12-08 09:21:01,191 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-08 09:21:01,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:01,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:21:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:01,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:21:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:01,278 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2018-12-08 09:21:01,279 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2018-12-08 09:21:01,357 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 41 states and 49 transitions. Complement of second has 9 states. [2018-12-08 09:21:01,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-08 09:21:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-08 09:21:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2018-12-08 09:21:01,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-08 09:21:01,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 09:21:01,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2018-12-08 09:21:01,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 09:21:01,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2018-12-08 09:21:01,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 09:21:01,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 49 transitions. [2018-12-08 09:21:01,366 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 09:21:01,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2018-12-08 09:21:01,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 09:21:01,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 09:21:01,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 09:21:01,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:21:01,371 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:21:01,371 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:21:01,371 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:21:01,371 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 09:21:01,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:21:01,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 09:21:01,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 09:21:01,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 09:21:01 BoogieIcfgContainer [2018-12-08 09:21:01,376 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 09:21:01,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:21:01,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:21:01,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:21:01,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:20:31" (3/4) ... [2018-12-08 09:21:01,380 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 09:21:01,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:21:01,381 INFO L168 Benchmark]: Toolchain (without parser) took 30301.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 957.1 MB in the beginning and 918.1 MB in the end (delta: 39.0 MB). Peak memory consumption was 184.8 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:01,383 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:21:01,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:01,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:21:01,384 INFO L168 Benchmark]: Boogie Preprocessor took 10.89 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:21:01,384 INFO L168 Benchmark]: RCFGBuilder took 150.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:01,385 INFO L168 Benchmark]: BuchiAutomizer took 29997.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 918.1 MB in the end (delta: 207.8 MB). Peak memory consumption was 207.8 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:01,385 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 918.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:21:01,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 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 17.87 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.89 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 150.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 29997.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 918.1 MB in the end (delta: 207.8 MB). Peak memory consumption was 207.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 ms. Allocated memory is still 1.2 GB. Free memory is still 918.1 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 -1 * i + 1000000 * k and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 29.7s. 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: 15 SDtfs, 20 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf93 smp100 dnf100 smp100 tf100 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 17ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...