./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0bce2603970e0a002a5b33cfd00ef3446011286 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:30:03,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:30:03,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:30:03,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:30:03,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:30:03,672 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:30:03,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:30:03,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:30:03,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:30:03,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:30:03,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:30:03,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:30:03,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:30:03,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:30:03,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:30:03,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:30:03,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:30:03,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:30:03,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:30:03,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:30:03,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:30:03,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:30:03,683 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:30:03,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:30:03,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:30:03,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:30:03,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:30:03,685 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:30:03,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:30:03,686 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:30:03,686 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:30:03,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:30:03,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:30:03,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:30:03,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:30:03,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:30:03,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-09 06:30:03,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:30:03,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:30:03,699 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:30:03,699 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:30:03,699 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 06:30:03,699 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 06:30:03,699 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 06:30:03,700 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 06:30:03,700 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 06:30:03,700 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 06:30:03,700 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 06:30:03,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:30:03,700 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 06:30:03,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:30:03,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 06:30:03,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:30:03,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:30:03,702 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 06:30:03,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:30:03,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 06:30:03,702 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 06:30:03,703 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 06:30:03,703 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0bce2603970e0a002a5b33cfd00ef3446011286 [2018-12-09 06:30:03,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:30:03,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:30:03,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:30:03,735 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:30:03,735 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:30:03,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c [2018-12-09 06:30:03,770 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/data/58953f852/b2eb597000d54dfabed6d74f531d951a/FLAGb05611229 [2018-12-09 06:30:04,216 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:30:04,217 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c [2018-12-09 06:30:04,220 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/data/58953f852/b2eb597000d54dfabed6d74f531d951a/FLAGb05611229 [2018-12-09 06:30:04,229 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/data/58953f852/b2eb597000d54dfabed6d74f531d951a [2018-12-09 06:30:04,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:30:04,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:30:04,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:30:04,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:30:04,234 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:30:04,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04, skipping insertion in model container [2018-12-09 06:30:04,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:30:04,250 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:30:04,334 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:30:04,336 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:30:04,345 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:30:04,353 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:30:04,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04 WrapperNode [2018-12-09 06:30:04,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:30:04,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:30:04,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:30:04,354 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:30:04,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:30:04,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:30:04,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:30:04,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:30:04,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... [2018-12-09 06:30:04,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:30:04,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:30:04,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:30:04,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:30:04,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:30:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:30:04,544 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:30:04,545 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 06:30:04,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:30:04 BoogieIcfgContainer [2018-12-09 06:30:04,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:30:04,545 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 06:30:04,545 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 06:30:04,548 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 06:30:04,549 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 06:30:04,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 06:30:04" (1/3) ... [2018-12-09 06:30:04,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a76278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 06:30:04, skipping insertion in model container [2018-12-09 06:30:04,549 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 06:30:04,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:30:04" (2/3) ... [2018-12-09 06:30:04,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a76278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 06:30:04, skipping insertion in model container [2018-12-09 06:30:04,550 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 06:30:04,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:30:04" (3/3) ... [2018-12-09 06:30:04,551 INFO L375 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c [2018-12-09 06:30:04,583 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:30:04,584 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 06:30:04,584 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 06:30:04,584 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 06:30:04,584 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:30:04,584 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:30:04,584 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 06:30:04,584 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:30:04,584 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 06:30:04,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-12-09 06:30:04,605 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2018-12-09 06:30:04,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:04,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:04,609 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-09 06:30:04,609 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 06:30:04,610 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 06:30:04,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-12-09 06:30:04,610 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2018-12-09 06:30:04,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:04,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:04,611 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-09 06:30:04,611 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 06:30:04,615 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet5; 10#L41true assume 0 != main_#t~nondet5;havoc main_#t~nondet5;f_#in~d := 1;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 6#L18true assume !(f_~k~0 > 1073741823); 13#L23-1true [2018-12-09 06:30:04,616 INFO L796 eck$LassoCheckResult]: Loop: 13#L23-1true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 13#L23-1true [2018-12-09 06:30:04,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:04,619 INFO L82 PathProgramCache]: Analyzing trace with hash 30885, now seen corresponding path program 1 times [2018-12-09 06:30:04,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:04,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:04,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:04,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:04,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:04,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:04,684 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2018-12-09 06:30:04,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:04,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:04,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:04,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:04,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:04,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:04,689 INFO L82 PathProgramCache]: Analyzing trace with hash 957453, now seen corresponding path program 1 times [2018-12-09 06:30:04,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:04,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:04,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:04,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:04,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:04,741 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:04,742 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:04,742 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:04,742 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:04,742 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:04,742 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:04,743 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:04,743 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:04,743 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-12-09 06:30:04,743 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:04,743 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:04,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:04,853 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:04,854 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,857 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,857 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:04,861 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:04,861 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,884 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,884 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:04,886 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:04,886 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,901 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,901 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:04,903 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:04,903 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,918 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,918 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:04,920 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:04,920 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,935 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,935 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:04,937 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:04,937 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,951 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,951 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:04,953 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:04,954 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/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 [2018-12-09 06:30:04,968 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:04,968 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:04,987 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:04,987 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:18,595 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 06:30:18,602 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:18,602 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:18,603 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:18,603 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:18,603 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:18,603 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:18,603 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:18,603 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:18,603 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Lasso [2018-12-09 06:30:18,603 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:18,603 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:18,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:18,692 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:18,696 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:18,697 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 [2018-12-09 06:30:18,698 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:18,699 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:18,699 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:18,699 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:18,699 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:18,701 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:18,701 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:18,703 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:18,704 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 [2018-12-09 06:30:18,705 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:18,705 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:18,705 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:18,705 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:18,705 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:18,706 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:18,706 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:18,706 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:18,707 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 [2018-12-09 06:30:18,707 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:18,707 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:18,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:18,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:18,707 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:18,708 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:18,708 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:18,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:18,709 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 [2018-12-09 06:30:18,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:18,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:18,709 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:18,709 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:18,709 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:18,710 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:18,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:18,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:18,711 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 [2018-12-09 06:30:18,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:18,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:18,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:18,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:18,712 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:18,712 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:18,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:18,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:18,713 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 [2018-12-09 06:30:18,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:18,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:18,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:18,714 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:18,718 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:18,718 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:18,762 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:18,785 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-12-09 06:30:18,786 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-12-09 06:30:18,787 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:18,788 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:18,789 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:18,789 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2018-12-09 06:30:18,791 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:18,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:18,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:18,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:18,865 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2018-12-09 06:30:18,866 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2018-12-09 06:30:18,925 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 49 states and 76 transitions. Complement of second has 7 states. [2018-12-09 06:30:18,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-09 06:30:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-12-09 06:30:18,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 1 letters. [2018-12-09 06:30:18,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:18,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 4 letters. Loop has 1 letters. [2018-12-09 06:30:18,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:18,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 3 letters. Loop has 2 letters. [2018-12-09 06:30:18,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:18,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 76 transitions. [2018-12-09 06:30:18,937 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2018-12-09 06:30:18,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 20 states and 28 transitions. [2018-12-09 06:30:18,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2018-12-09 06:30:18,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2018-12-09 06:30:18,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2018-12-09 06:30:18,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 06:30:18,943 INFO L705 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2018-12-09 06:30:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2018-12-09 06:30:18,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2018-12-09 06:30:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-09 06:30:18,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2018-12-09 06:30:18,969 INFO L728 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-12-09 06:30:18,969 INFO L608 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2018-12-09 06:30:18,969 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 06:30:18,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2018-12-09 06:30:18,969 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2018-12-09 06:30:18,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:18,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:18,970 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-09 06:30:18,970 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-09 06:30:18,970 INFO L794 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 115#L41 assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;f_#in~d := 2;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 120#L18-1 assume !(f_~k~0 > 1073741823); 121#L23-3 [2018-12-09 06:30:18,970 INFO L796 eck$LassoCheckResult]: Loop: 121#L23-3 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 121#L23-3 [2018-12-09 06:30:18,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:18,971 INFO L82 PathProgramCache]: Analyzing trace with hash 32101, now seen corresponding path program 1 times [2018-12-09 06:30:18,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:18,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:18,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:18,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:18,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:18,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash 87, now seen corresponding path program 1 times [2018-12-09 06:30:18,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:18,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:18,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:18,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:18,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:18,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:18,980 INFO L82 PathProgramCache]: Analyzing trace with hash 995187, now seen corresponding path program 1 times [2018-12-09 06:30:18,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:18,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:18,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:18,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:18,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:19,013 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:19,013 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:19,013 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:19,014 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:19,014 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:19,014 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,014 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:19,014 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:19,014 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-12-09 06:30:19,014 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:19,014 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:19,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:19,076 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:19,076 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,078 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,078 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,080 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,080 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,095 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,095 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,097 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,097 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,113 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,115 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,115 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,137 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,138 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,140 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,140 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,155 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,158 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,158 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d=0, ULTIMATE.start_f_#in~d=0} Honda state: {ULTIMATE.start_f_~d=2, ULTIMATE.start_f_#in~d=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,182 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,182 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,184 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,184 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,199 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,199 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,201 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,201 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0=0} Honda state: {ULTIMATE.start_f_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,217 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,217 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,219 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,219 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,234 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,234 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,236 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,236 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,252 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,252 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:19,255 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:19,255 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:19,270 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:19,288 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:19,289 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:32,843 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 06:30:32,850 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:32,850 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:32,850 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:32,850 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:32,850 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:32,850 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:32,850 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:32,851 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:32,851 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-12-09 06:30:32,851 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:32,851 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:32,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:32,932 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:32,932 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:32,932 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 [2018-12-09 06:30:32,933 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:32,933 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:32,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:32,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:32,933 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:32,934 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:32,934 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:32,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:32,935 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 [2018-12-09 06:30:32,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:32,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:32,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:32,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:32,936 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:32,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:32,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:32,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:32,937 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 [2018-12-09 06:30:32,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:32,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:32,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:32,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:32,940 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:32,940 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:32,955 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:32,964 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 06:30:32,964 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-09 06:30:32,965 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:32,966 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:32,966 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:32,966 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2018-12-09 06:30:32,968 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:32,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:32,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:33,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:33,001 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2018-12-09 06:30:33,001 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 10 Second operand 3 states. [2018-12-09 06:30:33,034 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 24 states and 35 transitions. Complement of second has 6 states. [2018-12-09 06:30:33,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-09 06:30:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-12-09 06:30:33,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2018-12-09 06:30:33,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 1 letters. [2018-12-09 06:30:33,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 2 letters. [2018-12-09 06:30:33,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2018-12-09 06:30:33,036 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2018-12-09 06:30:33,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 21 states and 30 transitions. [2018-12-09 06:30:33,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2018-12-09 06:30:33,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2018-12-09 06:30:33,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 30 transitions. [2018-12-09 06:30:33,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 06:30:33,037 INFO L705 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2018-12-09 06:30:33,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 30 transitions. [2018-12-09 06:30:33,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2018-12-09 06:30:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-12-09 06:30:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2018-12-09 06:30:33,039 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2018-12-09 06:30:33,039 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 21 transitions. [2018-12-09 06:30:33,039 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 06:30:33,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 21 transitions. [2018-12-09 06:30:33,039 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 06:30:33,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:33,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:33,041 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-09 06:30:33,041 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 06:30:33,041 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 195#L41 assume 0 != main_#t~nondet5;havoc main_#t~nondet5;f_#in~d := 1;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 202#L18 assume !(f_~k~0 > 1073741823); 198#L23-1 assume !(f_~z~0 < f_~k~0); 196#L29-2 [2018-12-09 06:30:33,041 INFO L796 eck$LassoCheckResult]: Loop: 196#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 197#L29 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 196#L29-2 [2018-12-09 06:30:33,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,042 INFO L82 PathProgramCache]: Analyzing trace with hash 957451, now seen corresponding path program 1 times [2018-12-09 06:30:33,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1896, now seen corresponding path program 1 times [2018-12-09 06:30:33,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,049 INFO L82 PathProgramCache]: Analyzing trace with hash 920111346, now seen corresponding path program 1 times [2018-12-09 06:30:33,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,084 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:33,084 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:33,084 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:33,084 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:33,084 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:33,084 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,084 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:33,084 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:33,085 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Lasso [2018-12-09 06:30:33,085 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:33,085 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:33,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,134 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:33,135 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,136 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,136 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,138 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,138 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,153 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,153 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,156 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,156 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,170 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,170 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,173 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,174 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0=0, ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~k~0=-13, ULTIMATE.start_f_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,197 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,197 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,199 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,199 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,214 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,214 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,216 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,216 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,231 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,231 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,233 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,233 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,247 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,247 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,264 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:33,264 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,336 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:33,338 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:33,338 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:33,338 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:33,338 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:33,338 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:33,338 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,338 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:33,338 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:33,338 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Lasso [2018-12-09 06:30:33,338 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:33,338 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:33,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,392 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:33,392 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:33,392 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 [2018-12-09 06:30:33,393 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:33,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,393 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,394 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:33,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:33,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:33,395 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 06:30:33,395 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,395 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,396 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,397 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:33,397 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:33,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:33,400 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 [2018-12-09 06:30:33,401 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,401 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:33,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,401 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,401 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,401 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:33,402 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:33,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:33,402 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 [2018-12-09 06:30:33,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,403 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,404 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:33,404 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:33,413 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:33,418 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 06:30:33,418 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-09 06:30:33,418 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:33,419 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:33,419 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:33,419 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2018-12-09 06:30:33,421 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:33,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:33,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:33,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:33,460 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:33,461 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 11 Second operand 4 states. [2018-12-09 06:30:33,478 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 21 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 20 states and 29 transitions. Complement of second has 6 states. [2018-12-09 06:30:33,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2018-12-09 06:30:33,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-09 06:30:33,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2018-12-09 06:30:33,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 4 letters. [2018-12-09 06:30:33,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2018-12-09 06:30:33,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 06:30:33,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 28 transitions. [2018-12-09 06:30:33,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-12-09 06:30:33,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2018-12-09 06:30:33,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2018-12-09 06:30:33,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:33,481 INFO L705 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2018-12-09 06:30:33,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2018-12-09 06:30:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2018-12-09 06:30:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-09 06:30:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2018-12-09 06:30:33,482 INFO L728 BuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2018-12-09 06:30:33,482 INFO L608 BuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2018-12-09 06:30:33,482 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-09 06:30:33,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 27 transitions. [2018-12-09 06:30:33,483 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 06:30:33,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:33,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:33,483 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-12-09 06:30:33,483 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 06:30:33,483 INFO L794 eck$LassoCheckResult]: Stem: 278#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 279#L41 assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;f_#in~d := 2;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 288#L18-1 assume !(f_~k~0 > 1073741823); 289#L23-3 assume !(f_~z~0 < f_~k~0); 277#L29-5 [2018-12-09 06:30:33,483 INFO L796 eck$LassoCheckResult]: Loop: 277#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 275#L29-3 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 277#L29-5 [2018-12-09 06:30:33,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,483 INFO L82 PathProgramCache]: Analyzing trace with hash 995185, now seen corresponding path program 1 times [2018-12-09 06:30:33,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,487 INFO L82 PathProgramCache]: Analyzing trace with hash 3112, now seen corresponding path program 1 times [2018-12-09 06:30:33,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,489 INFO L82 PathProgramCache]: Analyzing trace with hash 956374936, now seen corresponding path program 1 times [2018-12-09 06:30:33,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,523 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:33,523 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:33,523 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:33,523 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:33,523 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:33,523 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,523 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:33,523 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:33,523 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration4_Lasso [2018-12-09 06:30:33,523 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:33,524 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:33,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,572 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:33,573 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,574 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,574 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,576 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,576 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,590 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,592 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,592 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,606 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,606 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,609 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,609 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,624 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,624 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,626 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,626 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,640 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,643 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,643 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~z~0=1, ULTIMATE.start_f_~k~0=-13} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,657 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,657 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,674 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:33,674 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,725 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:33,726 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:33,726 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:33,726 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:33,726 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:33,726 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:33,726 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,726 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:33,727 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:33,727 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration4_Lasso [2018-12-09 06:30:33,727 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:33,727 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:33,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,776 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:33,776 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:33,777 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 [2018-12-09 06:30:33,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,777 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,778 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:33,778 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:33,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:33,781 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 [2018-12-09 06:30:33,781 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:33,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,781 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,782 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:33,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:33,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:33,782 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 [2018-12-09 06:30:33,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:33,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,783 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,783 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:33,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:33,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:33,784 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 [2018-12-09 06:30:33,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:33,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:33,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:33,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:33,786 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:33,786 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:33,793 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:33,796 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 06:30:33,796 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 06:30:33,796 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:33,797 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:33,797 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:33,797 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2018-12-09 06:30:33,799 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:33,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:33,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:33,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:33,829 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:33,829 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 27 transitions. cyclomatic complexity: 14 Second operand 4 states. [2018-12-09 06:30:33,849 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 27 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 24 states and 35 transitions. Complement of second has 6 states. [2018-12-09 06:30:33,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:33,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2018-12-09 06:30:33,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-09 06:30:33,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2018-12-09 06:30:33,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 4 letters. [2018-12-09 06:30:33,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:33,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 35 transitions. [2018-12-09 06:30:33,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 06:30:33,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 34 transitions. [2018-12-09 06:30:33,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-12-09 06:30:33,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-12-09 06:30:33,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 34 transitions. [2018-12-09 06:30:33,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:33,853 INFO L705 BuchiCegarLoop]: Abstraction has 23 states and 34 transitions. [2018-12-09 06:30:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 34 transitions. [2018-12-09 06:30:33,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2018-12-09 06:30:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-09 06:30:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2018-12-09 06:30:33,854 INFO L728 BuchiCegarLoop]: Abstraction has 22 states and 33 transitions. [2018-12-09 06:30:33,854 INFO L608 BuchiCegarLoop]: Abstraction has 22 states and 33 transitions. [2018-12-09 06:30:33,854 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-12-09 06:30:33,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 33 transitions. [2018-12-09 06:30:33,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-12-09 06:30:33,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:33,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:33,855 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 06:30:33,856 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 06:30:33,856 INFO L794 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 372#L41 assume 0 != main_#t~nondet5;havoc main_#t~nondet5;f_#in~d := 1;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 383#L18 assume !(f_~k~0 > 1073741823); 378#L23-1 assume !(f_~z~0 < f_~k~0); 379#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 377#L29 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 385#L30 [2018-12-09 06:30:33,856 INFO L796 eck$LassoCheckResult]: Loop: 385#L30 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~z~0 := f_~z~0 - 1; 373#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 374#L29 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 385#L30 [2018-12-09 06:30:33,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,856 INFO L82 PathProgramCache]: Analyzing trace with hash 920111342, now seen corresponding path program 1 times [2018-12-09 06:30:33,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,861 INFO L82 PathProgramCache]: Analyzing trace with hash 63396, now seen corresponding path program 1 times [2018-12-09 06:30:33,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:33,865 INFO L82 PathProgramCache]: Analyzing trace with hash 555740055, now seen corresponding path program 1 times [2018-12-09 06:30:33,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:33,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:33,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:33,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:33,882 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:33,883 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:33,883 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:33,883 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:33,883 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:33,883 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,883 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:33,883 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:33,883 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration5_Loop [2018-12-09 06:30:33,883 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:33,883 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:33,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:33,923 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:33,923 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,925 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,925 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:33,941 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,949 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,949 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=2}] Lambdas: [0, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,963 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,963 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,966 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,966 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,981 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,981 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:33,983 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:33,983 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:33,998 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:33,998 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,012 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,013 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-09 06:30:34,041 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:34,041 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:34,041 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:34,042 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:34,042 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:34,042 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,042 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:34,042 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:34,042 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration5_Lasso [2018-12-09 06:30:34,042 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:34,042 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:34,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,115 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:34,115 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,116 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,116 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,120 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,120 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0, ULTIMATE.start_f_~y~0=0} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,141 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,141 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,143 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,143 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,158 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,161 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,161 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,175 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,175 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,200 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:34,200 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,333 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:34,334 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:34,334 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:34,334 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:34,334 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:34,334 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:34,334 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,334 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:34,334 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:34,334 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration5_Lasso [2018-12-09 06:30:34,334 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:34,334 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:34,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,396 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:34,396 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:34,396 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 [2018-12-09 06:30:34,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:34,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:34,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:34,397 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:34,398 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:34,398 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:34,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:34,402 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 [2018-12-09 06:30:34,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:34,403 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:34,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:34,403 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 06:30:34,403 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:34,404 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 06:30:34,404 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:34,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:34,405 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 [2018-12-09 06:30:34,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:34,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:34,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:34,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:34,408 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:34,408 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:34,414 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:34,418 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 06:30:34,418 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-09 06:30:34,418 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:34,419 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:34,419 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:34,419 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2018-12-09 06:30:34,421 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:34,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:34,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:34,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:34,471 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-12-09 06:30:34,472 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 33 transitions. cyclomatic complexity: 17 Second operand 5 states. [2018-12-09 06:30:34,499 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 33 transitions. cyclomatic complexity: 17. Second operand 5 states. Result 32 states and 46 transitions. Complement of second has 7 states. [2018-12-09 06:30:34,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-09 06:30:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-12-09 06:30:34,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 3 letters. [2018-12-09 06:30:34,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:34,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 3 letters. [2018-12-09 06:30:34,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:34,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 6 letters. [2018-12-09 06:30:34,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:34,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 46 transitions. [2018-12-09 06:30:34,501 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-12-09 06:30:34,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 28 states and 41 transitions. [2018-12-09 06:30:34,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-12-09 06:30:34,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-12-09 06:30:34,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 41 transitions. [2018-12-09 06:30:34,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:34,501 INFO L705 BuchiCegarLoop]: Abstraction has 28 states and 41 transitions. [2018-12-09 06:30:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 41 transitions. [2018-12-09 06:30:34,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-12-09 06:30:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-09 06:30:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 40 transitions. [2018-12-09 06:30:34,502 INFO L728 BuchiCegarLoop]: Abstraction has 27 states and 40 transitions. [2018-12-09 06:30:34,502 INFO L608 BuchiCegarLoop]: Abstraction has 27 states and 40 transitions. [2018-12-09 06:30:34,502 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-12-09 06:30:34,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 40 transitions. [2018-12-09 06:30:34,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-12-09 06:30:34,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:34,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:34,503 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 06:30:34,503 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 06:30:34,503 INFO L794 eck$LassoCheckResult]: Stem: 487#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 488#L41 assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;f_#in~d := 2;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 496#L18-1 assume !(f_~k~0 > 1073741823); 497#L23-3 assume !(f_~z~0 < f_~k~0); 505#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 483#L29-3 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 484#L30-1 [2018-12-09 06:30:34,503 INFO L796 eck$LassoCheckResult]: Loop: 484#L30-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~z~0 := f_~z~0 - 1; 501#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 502#L29-3 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 484#L30-1 [2018-12-09 06:30:34,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:34,504 INFO L82 PathProgramCache]: Analyzing trace with hash 956374932, now seen corresponding path program 1 times [2018-12-09 06:30:34,504 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:34,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:34,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:34,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:34,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:34,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:34,507 INFO L82 PathProgramCache]: Analyzing trace with hash 101130, now seen corresponding path program 1 times [2018-12-09 06:30:34,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:34,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:34,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:34,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:34,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:34,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:34,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1447371113, now seen corresponding path program 1 times [2018-12-09 06:30:34,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:34,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:34,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:34,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:34,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:34,527 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:34,527 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:34,527 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:34,527 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:34,527 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:34,527 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,527 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:34,527 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:34,527 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration6_Loop [2018-12-09 06:30:34,527 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:34,527 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:34,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,561 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:34,561 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,563 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,563 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,566 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,566 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,590 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,609 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:34,609 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,621 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,621 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0}, {ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=2}] Lambdas: [0, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,639 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,639 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,654 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,654 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,656 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,658 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,659 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Honda state: {ULTIMATE.start_f_#t~nondet4=4, ULTIMATE.start_f_~y~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-09 06:30:34,693 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:34,694 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:34,694 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:34,694 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:34,694 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:34,694 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,694 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:34,694 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:34,694 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration6_Lasso [2018-12-09 06:30:34,694 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:34,694 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:34,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:34,751 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:34,751 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,754 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,754 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,770 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:34,770 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,780 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,780 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~z~0=1, ULTIMATE.start_f_~k~0=-2} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=0, ULTIMATE.start_f_~k~0=0}, {ULTIMATE.start_f_~z~0=-8, ULTIMATE.start_f_~k~0=6}, {ULTIMATE.start_f_~z~0=7, ULTIMATE.start_f_~k~0=-6}] Lambdas: [15, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,794 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,794 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,797 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,797 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0=0, ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_~y~0=4, ULTIMATE.start_f_#t~nondet4=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,812 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,812 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,814 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,814 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,837 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,837 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,839 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,839 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,854 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,856 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,856 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,872 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,872 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,874 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,874 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,889 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,889 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,891 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,892 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=-1} Honda state: {ULTIMATE.start_f_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,906 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,906 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:34,908 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:34,908 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,922 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:34,922 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:34,938 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:34,938 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:35,059 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:35,060 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:35,060 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:35,060 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:35,060 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:35,060 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:35,060 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,060 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:35,060 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:35,060 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration6_Lasso [2018-12-09 06:30:35,061 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:35,061 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:35,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,127 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:35,127 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:35,127 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 [2018-12-09 06:30:35,127 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,128 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,128 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:35,128 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:35,132 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:35,134 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 06:30:35,134 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 06:30:35,134 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:35,135 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:35,135 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:35,135 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2018-12-09 06:30:35,151 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:35,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:35,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:35,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:35,184 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2018-12-09 06:30:35,184 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 40 transitions. cyclomatic complexity: 20 Second operand 5 states. [2018-12-09 06:30:35,209 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 40 transitions. cyclomatic complexity: 20. Second operand 5 states. Result 37 states and 53 transitions. Complement of second has 7 states. [2018-12-09 06:30:35,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-12-09 06:30:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-12-09 06:30:35,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 3 letters. [2018-12-09 06:30:35,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 3 letters. [2018-12-09 06:30:35,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 6 letters. Loop has 6 letters. [2018-12-09 06:30:35,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 53 transitions. [2018-12-09 06:30:35,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-09 06:30:35,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 48 transitions. [2018-12-09 06:30:35,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-12-09 06:30:35,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-12-09 06:30:35,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 48 transitions. [2018-12-09 06:30:35,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:35,211 INFO L705 BuchiCegarLoop]: Abstraction has 33 states and 48 transitions. [2018-12-09 06:30:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 48 transitions. [2018-12-09 06:30:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-12-09 06:30:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-09 06:30:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2018-12-09 06:30:35,212 INFO L728 BuchiCegarLoop]: Abstraction has 32 states and 47 transitions. [2018-12-09 06:30:35,212 INFO L608 BuchiCegarLoop]: Abstraction has 32 states and 47 transitions. [2018-12-09 06:30:35,212 INFO L442 BuchiCegarLoop]: ======== Iteration 7============ [2018-12-09 06:30:35,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 47 transitions. [2018-12-09 06:30:35,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-09 06:30:35,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:35,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:35,213 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:30:35,213 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 06:30:35,213 INFO L794 eck$LassoCheckResult]: Stem: 614#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 615#L41 assume 0 != main_#t~nondet5;havoc main_#t~nondet5;f_#in~d := 1;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 625#L18 assume !(f_~k~0 > 1073741823); 620#L23-1 assume !(f_~z~0 < f_~k~0); 621#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 636#L29 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 631#L30 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~z~0 := f_~z~0 - 1; 632#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 638#L29 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 616#L29-2 [2018-12-09 06:30:35,213 INFO L796 eck$LassoCheckResult]: Loop: 616#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 617#L29 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 616#L29-2 [2018-12-09 06:30:35,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,213 INFO L82 PathProgramCache]: Analyzing trace with hash 555740059, now seen corresponding path program 1 times [2018-12-09 06:30:35,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:35,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1896, now seen corresponding path program 2 times [2018-12-09 06:30:35,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:35,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1490252930, now seen corresponding path program 2 times [2018-12-09 06:30:35,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,224 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:35,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,282 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:35,282 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:35,282 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:35,282 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:35,282 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:35,282 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,282 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:35,282 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:35,282 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration7_Lasso [2018-12-09 06:30:35,282 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:35,282 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:35,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,345 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:35,345 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,350 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:35,350 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:35,364 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:35,365 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:35,367 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,394 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:35,394 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:35,448 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:35,449 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:35,449 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:35,449 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:35,449 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:35,449 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:35,449 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,449 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:35,449 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:35,449 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration7_Lasso [2018-12-09 06:30:35,449 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:35,449 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:35,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,502 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:35,502 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:35,502 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 [2018-12-09 06:30:35,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,503 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,503 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:35,503 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:35,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,506 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 [2018-12-09 06:30:35,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,506 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,507 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:35,507 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:35,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,508 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 [2018-12-09 06:30:35,509 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,509 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,509 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,509 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,510 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,510 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 [2018-12-09 06:30:35,510 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,511 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,511 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,511 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,511 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,512 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 [2018-12-09 06:30:35,512 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,512 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,512 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,512 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,513 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,513 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,513 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,514 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 [2018-12-09 06:30:35,514 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,514 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,514 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,515 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,515 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 [2018-12-09 06:30:35,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,516 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,516 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:35,516 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:35,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,518 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 [2018-12-09 06:30:35,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,518 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,518 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,519 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,519 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,519 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 [2018-12-09 06:30:35,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,520 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,520 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,521 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 [2018-12-09 06:30:35,521 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,521 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,521 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,521 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,522 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:35,522 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:35,527 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:35,533 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-12-09 06:30:35,533 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-12-09 06:30:35,533 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:35,534 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:35,534 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:35,534 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2018-12-09 06:30:35,538 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:35,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:35,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:35,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:35,590 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:35,590 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 47 transitions. cyclomatic complexity: 23 Second operand 4 states. [2018-12-09 06:30:35,608 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 47 transitions. cyclomatic complexity: 23. Second operand 4 states. Result 50 states and 69 transitions. Complement of second has 6 states. [2018-12-09 06:30:35,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-12-09 06:30:35,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2018-12-09 06:30:35,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:35,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2018-12-09 06:30:35,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 69 transitions. [2018-12-09 06:30:35,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-09 06:30:35,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 42 states and 59 transitions. [2018-12-09 06:30:35,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2018-12-09 06:30:35,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2018-12-09 06:30:35,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2018-12-09 06:30:35,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:35,611 INFO L705 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2018-12-09 06:30:35,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2018-12-09 06:30:35,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-12-09 06:30:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-09 06:30:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2018-12-09 06:30:35,614 INFO L728 BuchiCegarLoop]: Abstraction has 40 states and 57 transitions. [2018-12-09 06:30:35,614 INFO L608 BuchiCegarLoop]: Abstraction has 40 states and 57 transitions. [2018-12-09 06:30:35,614 INFO L442 BuchiCegarLoop]: ======== Iteration 8============ [2018-12-09 06:30:35,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 57 transitions. [2018-12-09 06:30:35,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-09 06:30:35,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:35,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:35,615 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:30:35,615 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 06:30:35,615 INFO L794 eck$LassoCheckResult]: Stem: 760#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 761#L41 assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;f_#in~d := 2;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 769#L18-1 assume !(f_~k~0 > 1073741823); 770#L23-3 assume !(f_~z~0 < f_~k~0); 784#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 786#L29-3 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 776#L30-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~z~0 := f_~z~0 - 1; 777#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 787#L29-3 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 757#L29-5 [2018-12-09 06:30:35,615 INFO L796 eck$LassoCheckResult]: Loop: 757#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 756#L29-3 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 757#L29-5 [2018-12-09 06:30:35,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1447371109, now seen corresponding path program 1 times [2018-12-09 06:30:35,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:35,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash 3112, now seen corresponding path program 2 times [2018-12-09 06:30:35,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:30:35,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,625 INFO L82 PathProgramCache]: Analyzing trace with hash 645770306, now seen corresponding path program 2 times [2018-12-09 06:30:35,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,625 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:35,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,678 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:35,678 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:35,678 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:35,678 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:35,678 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:35,678 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,678 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:35,678 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:35,678 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration8_Lasso [2018-12-09 06:30:35,687 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:35,688 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:35,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,733 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:35,733 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,734 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:35,734 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:35,736 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:35,737 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,759 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:35,759 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,775 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:35,776 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:35,833 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:35,834 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:35,835 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:35,835 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:35,835 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:35,835 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:35,835 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:35,835 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:35,835 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:35,835 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration8_Lasso [2018-12-09 06:30:35,835 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:35,835 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:35,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:35,906 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:35,906 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:35,906 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 [2018-12-09 06:30:35,906 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,906 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:35,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,906 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,907 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:35,907 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:35,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:35,907 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 [2018-12-09 06:30:35,907 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:35,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:35,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:35,907 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:35,908 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:35,908 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:35,911 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:35,912 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 06:30:35,913 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 06:30:35,913 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:35,913 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:35,913 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:35,913 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2018-12-09 06:30:35,914 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:35,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:35,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:35,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:35,941 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:35,941 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 57 transitions. cyclomatic complexity: 27 Second operand 4 states. [2018-12-09 06:30:35,958 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 57 transitions. cyclomatic complexity: 27. Second operand 4 states. Result 58 states and 79 transitions. Complement of second has 6 states. [2018-12-09 06:30:35,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-12-09 06:30:35,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2018-12-09 06:30:35,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:35,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2018-12-09 06:30:35,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:35,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 79 transitions. [2018-12-09 06:30:35,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-09 06:30:35,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 50 states and 69 transitions. [2018-12-09 06:30:35,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2018-12-09 06:30:35,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-12-09 06:30:35,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 69 transitions. [2018-12-09 06:30:35,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:35,961 INFO L705 BuchiCegarLoop]: Abstraction has 50 states and 69 transitions. [2018-12-09 06:30:35,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 69 transitions. [2018-12-09 06:30:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2018-12-09 06:30:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 06:30:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2018-12-09 06:30:35,963 INFO L728 BuchiCegarLoop]: Abstraction has 48 states and 67 transitions. [2018-12-09 06:30:35,963 INFO L608 BuchiCegarLoop]: Abstraction has 48 states and 67 transitions. [2018-12-09 06:30:35,964 INFO L442 BuchiCegarLoop]: ======== Iteration 9============ [2018-12-09 06:30:35,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 67 transitions. [2018-12-09 06:30:35,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2018-12-09 06:30:35,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:35,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:35,965 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1] [2018-12-09 06:30:35,965 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 06:30:35,965 INFO L794 eck$LassoCheckResult]: Stem: 923#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 924#L41 assume 0 != main_#t~nondet5;havoc main_#t~nondet5;f_#in~d := 1;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 934#L18 assume !(f_~k~0 > 1073741823); 930#L23-1 assume !(f_~z~0 < f_~k~0); 925#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 926#L29 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 958#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 951#L29 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 952#L30 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~z~0 := f_~z~0 - 1; 956#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 955#L29 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 936#L29-2 [2018-12-09 06:30:35,965 INFO L796 eck$LassoCheckResult]: Loop: 936#L29-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 935#L29 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 936#L29-2 [2018-12-09 06:30:35,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1600239380, now seen corresponding path program 3 times [2018-12-09 06:30:35,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,966 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:35,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1896, now seen corresponding path program 3 times [2018-12-09 06:30:35,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:35,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:35,973 INFO L82 PathProgramCache]: Analyzing trace with hash 231753147, now seen corresponding path program 4 times [2018-12-09 06:30:35,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:35,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:35,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,974 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:35,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,030 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:36,030 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:36,030 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:36,030 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:36,030 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:36,030 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,030 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:36,030 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:36,030 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration9_Lasso [2018-12-09 06:30:36,030 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:36,030 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:36,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,080 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:36,080 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,082 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,082 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,084 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,084 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,108 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,108 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,110 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,110 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0=0} Honda state: {ULTIMATE.start_f_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,124 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,124 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,126 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,126 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,141 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,141 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,143 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,143 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5=0} Honda state: {ULTIMATE.start_main_#t~nondet5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,159 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,159 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1=0} Honda state: {ULTIMATE.start_f_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,173 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,173 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,175 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,175 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2=0} Honda state: {ULTIMATE.start_f_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,190 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,204 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,204 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,208 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,208 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,209 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,210 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,224 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,224 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,225 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,226 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4=0} Honda state: {ULTIMATE.start_f_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,240 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,240 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,256 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:36,256 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,320 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:36,321 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:36,321 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:36,321 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:36,321 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:36,321 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:36,321 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,321 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:36,322 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:36,322 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration9_Lasso [2018-12-09 06:30:36,322 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:36,322 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:36,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,373 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:36,373 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:36,373 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 [2018-12-09 06:30:36,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,374 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,374 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,375 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 [2018-12-09 06:30:36,375 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,375 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,376 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,376 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,376 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,377 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 [2018-12-09 06:30:36,377 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,377 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,377 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,377 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,378 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 [2018-12-09 06:30:36,378 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,378 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,378 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,379 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:36,379 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:36,379 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,380 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 [2018-12-09 06:30:36,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,380 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,381 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 [2018-12-09 06:30:36,381 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,381 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,381 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,382 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,382 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,382 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,382 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 [2018-12-09 06:30:36,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,383 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,383 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,383 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,383 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,383 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 [2018-12-09 06:30:36,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,384 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,384 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:36,384 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:36,386 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,386 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 06:30:36,386 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,387 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,387 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,388 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 [2018-12-09 06:30:36,388 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,388 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,389 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:36,389 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:36,393 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:36,396 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 06:30:36,396 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-09 06:30:36,396 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:36,397 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:36,397 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:36,397 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2018-12-09 06:30:36,399 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:36,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:36,442 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:36,442 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 67 transitions. cyclomatic complexity: 31 Second operand 4 states. [2018-12-09 06:30:36,466 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 67 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 56 states and 75 transitions. Complement of second has 6 states. [2018-12-09 06:30:36,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:36,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-12-09 06:30:36,466 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:36,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,467 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-09 06:30:36,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:36,495 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:36,495 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 67 transitions. cyclomatic complexity: 31 Second operand 4 states. [2018-12-09 06:30:36,511 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 67 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 56 states and 75 transitions. Complement of second has 6 states. [2018-12-09 06:30:36,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2018-12-09 06:30:36,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:36,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,512 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-09 06:30:36,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:36,535 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:36,535 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 67 transitions. cyclomatic complexity: 31 Second operand 4 states. [2018-12-09 06:30:36,551 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 67 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 59 states and 80 transitions. Complement of second has 5 states. [2018-12-09 06:30:36,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2018-12-09 06:30:36,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:36,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 2 letters. [2018-12-09 06:30:36,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2018-12-09 06:30:36,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 80 transitions. [2018-12-09 06:30:36,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 06:30:36,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 25 states and 34 transitions. [2018-12-09 06:30:36,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2018-12-09 06:30:36,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2018-12-09 06:30:36,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2018-12-09 06:30:36,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 06:30:36,553 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2018-12-09 06:30:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2018-12-09 06:30:36,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-09 06:30:36,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-09 06:30:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2018-12-09 06:30:36,554 INFO L728 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2018-12-09 06:30:36,554 INFO L608 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2018-12-09 06:30:36,554 INFO L442 BuchiCegarLoop]: ======== Iteration 10============ [2018-12-09 06:30:36,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2018-12-09 06:30:36,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 06:30:36,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 06:30:36,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 06:30:36,555 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1] [2018-12-09 06:30:36,555 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 06:30:36,555 INFO L794 eck$LassoCheckResult]: Stem: 1310#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet5; 1311#L41 assume !(0 != main_#t~nondet5);havoc main_#t~nondet5;f_#in~d := 2;havoc f_#t~nondet0, f_#t~nondet1, f_#t~nondet2, f_#t~nondet3, f_#t~nondet4, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet0;havoc f_#t~nondet0;f_~y~0 := f_#t~nondet1;havoc f_#t~nondet1;f_~k~0 := f_#t~nondet2;havoc f_#t~nondet2;f_~z~0 := 1; 1312#L18-1 assume !(f_~k~0 > 1073741823); 1313#L23-3 assume !(f_~z~0 < f_~k~0); 1316#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 1317#L29-3 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 1329#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 1328#L29-3 assume 0 != f_#t~nondet3;havoc f_#t~nondet3; 1326#L30-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~z~0 := f_~z~0 - 1; 1325#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 1321#L29-3 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 1323#L29-5 [2018-12-09 06:30:36,555 INFO L796 eck$LassoCheckResult]: Loop: 1323#L29-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0); 1324#L29-3 assume !(0 != f_#t~nondet3);havoc f_#t~nondet3;f_~y~0 := f_~y~0 - f_~d; 1323#L29-5 [2018-12-09 06:30:36,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,555 INFO L82 PathProgramCache]: Analyzing trace with hash 755756756, now seen corresponding path program 3 times [2018-12-09 06:30:36,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:36,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:36,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:36,556 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:36,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,559 INFO L82 PathProgramCache]: Analyzing trace with hash 3112, now seen corresponding path program 3 times [2018-12-09 06:30:36,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:36,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:36,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:36,560 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:36,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,561 INFO L82 PathProgramCache]: Analyzing trace with hash 432771643, now seen corresponding path program 4 times [2018-12-09 06:30:36,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 06:30:36,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 06:30:36,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:36,562 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:30:36,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:30:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:30:36,617 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:36,617 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:36,618 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:36,618 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:36,618 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 06:30:36,618 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,618 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:36,618 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:36,618 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration10_Lasso [2018-12-09 06:30:36,618 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:36,618 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:36,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,667 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:36,667 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,669 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,684 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,684 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0=0} Honda state: {ULTIMATE.start_f_~k~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,686 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,686 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,688 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,688 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3=0} Honda state: {ULTIMATE.start_f_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,702 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,716 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,717 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=0} Honda state: {ULTIMATE.start_f_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,719 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,719 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,720 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 06:30:36,720 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_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,734 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 06:30:36,734 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39eb59a1-7a8f-4f03-8daa-7d11a4e56c77/bin-2019/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 06:30:36,751 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 06:30:36,809 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 06:30:36,810 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 06:30:36,810 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 06:30:36,810 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 06:30:36,810 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 06:30:36,810 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 06:30:36,810 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 06:30:36,810 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 06:30:36,810 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 06:30:36,810 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1_true-termination_true-no-overflow.c_Iteration10_Lasso [2018-12-09 06:30:36,810 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 06:30:36,810 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 06:30:36,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 06:30:36,873 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 06:30:36,873 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 06:30:36,873 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 [2018-12-09 06:30:36,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,874 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,874 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:36,874 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:36,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,875 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 [2018-12-09 06:30:36,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,876 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,876 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,876 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 [2018-12-09 06:30:36,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,877 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,877 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:36,877 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:36,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,878 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 [2018-12-09 06:30:36,879 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 06:30:36,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,879 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,879 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 06:30:36,879 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 06:30:36,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 06:30:36,880 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 [2018-12-09 06:30:36,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 06:30:36,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 06:30:36,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 06:30:36,880 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 06:30:36,881 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 06:30:36,881 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 06:30:36,883 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 06:30:36,885 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 06:30:36,885 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 06:30:36,885 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 06:30:36,886 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-12-09 06:30:36,886 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 06:30:36,886 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2018-12-09 06:30:36,887 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 06:30:36,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:36,915 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:36,915 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 15 Second operand 4 states. [2018-12-09 06:30:36,928 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 15. Second operand 4 states. Result 33 states and 42 transitions. Complement of second has 6 states. [2018-12-09 06:30:36,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:36,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-12-09 06:30:36,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:36,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,929 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-09 06:30:36,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:36,964 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:36,964 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 15 Second operand 4 states. [2018-12-09 06:30:36,976 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 15. Second operand 4 states. Result 33 states and 42 transitions. Complement of second has 6 states. [2018-12-09 06:30:36,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-12-09 06:30:36,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:36,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:36,977 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-09 06:30:36,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:30:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:30:36,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:30:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:30:37,000 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2018-12-09 06:30:37,001 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 15 Second operand 4 states. [2018-12-09 06:30:37,014 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 15. Second operand 4 states. Result 36 states and 47 transitions. Complement of second has 5 states. [2018-12-09 06:30:37,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2018-12-09 06:30:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 06:30:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2018-12-09 06:30:37,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2018-12-09 06:30:37,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:37,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 13 letters. Loop has 2 letters. [2018-12-09 06:30:37,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:37,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 4 letters. [2018-12-09 06:30:37,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 06:30:37,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2018-12-09 06:30:37,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 06:30:37,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2018-12-09 06:30:37,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 06:30:37,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 06:30:37,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 06:30:37,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 06:30:37,015 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:30:37,015 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:30:37,015 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:30:37,015 INFO L442 BuchiCegarLoop]: ======== Iteration 11============ [2018-12-09 06:30:37,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:30:37,015 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 06:30:37,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 06:30:37,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 06:30:37 BoogieIcfgContainer [2018-12-09 06:30:37,020 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 06:30:37,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:30:37,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:30:37,020 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:30:37,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:30:04" (3/4) ... [2018-12-09 06:30:37,023 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 06:30:37,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:30:37,023 INFO L168 Benchmark]: Toolchain (without parser) took 32792.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:30:37,024 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 06:30:37,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.86 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:30:37,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:30:37,024 INFO L168 Benchmark]: Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 940.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:30:37,025 INFO L168 Benchmark]: RCFGBuilder took 159.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:30:37,025 INFO L168 Benchmark]: BuchiAutomizer took 32474.33 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.1 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:30:37,025 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:30:37,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.86 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 940.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 159.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 32474.33 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.1 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * z + k and consists of 5 locations. One deterministic module has affine ranking function -1 * z + k and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x + -1 * d and consists of 5 locations. One deterministic module has affine ranking function x + -1 * d and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.4s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 31.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 22 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 48 states and ocurred in iteration 8. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 182 SDtfs, 246 SDslu, 59 SDs, 0 SdLazy, 137 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax100 hnf93 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf91 smp100 dnf100 smp100 tf101 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 75ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 58 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 28.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...