./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted/Gothenburg_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-crafted/Gothenburg_true-termination_true-valid-memsafety.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 70b7927a0492d6be5caba90d696a196e2b22ba2a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:31:56,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:31:56,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:31:56,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:31:56,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:31:56,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:31:56,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:31:56,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:31:56,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:31:56,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:31:56,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:31:56,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:31:56,136 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:31:56,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:31:56,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:31:56,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:31:56,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:31:56,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:31:56,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:31:56,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:31:56,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:31:56,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:31:56,164 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:31:56,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:31:56,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:31:56,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:31:56,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:31:56,172 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:31:56,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:31:56,176 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:31:56,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:31:56,178 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:31:56,179 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:31:56,179 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:31:56,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:31:56,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:31:56,185 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:31:56,220 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:31:56,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:31:56,225 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:31:56,226 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:31:56,226 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:31:56,226 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:31:56,227 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:31:56,227 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:31:56,228 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:31:56,228 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:31:56,228 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:31:56,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:31:56,228 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:31:56,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:31:56,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:31:56,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:31:56,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:31:56,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:31:56,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:31:56,229 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:31:56,232 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:31:56,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:31:56,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:31:56,233 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:31:56,233 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:31:56,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:31:56,233 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:31:56,234 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:31:56,239 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:31:56,239 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2019-01-01 21:31:56,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:31:56,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:31:56,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:31:56,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:31:56,324 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:31:56,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Gothenburg_true-termination_true-valid-memsafety.c [2019-01-01 21:31:56,383 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed9bfb4f/489c71c5429c44d681593268efec30a9/FLAG4e16ba42a [2019-01-01 21:31:56,787 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:31:56,788 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Gothenburg_true-termination_true-valid-memsafety.c [2019-01-01 21:31:56,795 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed9bfb4f/489c71c5429c44d681593268efec30a9/FLAG4e16ba42a [2019-01-01 21:31:57,176 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed9bfb4f/489c71c5429c44d681593268efec30a9 [2019-01-01 21:31:57,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:31:57,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:31:57,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:31:57,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:31:57,189 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:31:57,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cace43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57, skipping insertion in model container [2019-01-01 21:31:57,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:31:57,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:31:57,439 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:31:57,446 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:31:57,467 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:31:57,483 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:31:57,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57 WrapperNode [2019-01-01 21:31:57,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:31:57,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:31:57,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:31:57,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:31:57,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:31:57,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:31:57,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:31:57,526 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:31:57,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... [2019-01-01 21:31:57,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:31:57,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:31:57,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:31:57,552 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:31:57,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:31:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:31:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:31:58,098 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:31:58,098 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:31:58,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:31:58 BoogieIcfgContainer [2019-01-01 21:31:58,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:31:58,100 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:31:58,102 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:31:58,119 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:31:58,124 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:31:58,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:31:57" (1/3) ... [2019-01-01 21:31:58,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@177be239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:31:58, skipping insertion in model container [2019-01-01 21:31:58,131 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:31:58,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:31:57" (2/3) ... [2019-01-01 21:31:58,132 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@177be239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:31:58, skipping insertion in model container [2019-01-01 21:31:58,132 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:31:58,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:31:58" (3/3) ... [2019-01-01 21:31:58,141 INFO L375 chiAutomizerObserver]: Analyzing ICFG Gothenburg_true-termination_true-valid-memsafety.c [2019-01-01 21:31:58,274 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:31:58,275 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:31:58,275 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:31:58,275 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:31:58,275 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:31:58,275 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:31:58,276 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:31:58,276 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:31:58,276 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:31:58,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 21:31:58,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:31:58,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:31:58,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:31:58,335 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 21:31:58,336 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:31:58,336 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:31:58,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 21:31:58,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:31:58,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:31:58,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:31:58,341 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 21:31:58,341 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:31:58,352 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2019-01-01 21:31:58,355 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2019-01-01 21:31:58,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:31:58,366 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2019-01-01 21:31:58,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:31:58,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:31:58,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:31:58,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:31:58,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:31:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:31:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:31:58,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:31:58,516 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2019-01-01 21:31:58,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:31:58,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:31:58,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:31:58,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:31:58,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:31:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:31:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:31:58,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:31:58,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2019-01-01 21:31:58,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:31:58,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:31:58,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:31:58,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:31:58,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:31:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:31:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:31:58,695 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:31:58,696 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:31:58,696 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:31:58,696 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:31:58,697 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:31:58,697 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:31:58,697 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:31:58,697 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:31:58,697 INFO L131 ssoRankerPreferences]: Filename of dumped script: Gothenburg_true-termination_true-valid-memsafety.c_Iteration1_Loop [2019-01-01 21:31:58,698 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:31:58,698 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:31:58,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:31:58,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:31:58,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:31:59,146 WARN L181 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 21:31:59,155 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:31:59,156 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 21:31:59,165 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:31:59,165 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:31:59,214 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:31:59,214 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 21:31:59,227 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:31:59,227 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:31:59,252 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:31:59,252 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 21:31:59,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:31:59,258 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:31:59,289 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:31:59,289 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:31:59,661 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:31:59,662 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~a~0=1, ULTIMATE.start_main_~b~0=-8, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~a~0=1, ULTIMATE.start_main_~b~0=-8, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-2, ULTIMATE.start_main_~a~0=7, ULTIMATE.start_main_~b~0=7, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=-8, ULTIMATE.start_main_~a~0=-6, ULTIMATE.start_main_~b~0=-6, ULTIMATE.start_main_~x~0=2}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-1, ULTIMATE.start_main_~b~0=-1, ULTIMATE.start_main_~x~0=5}] Lambdas: [1, 1, 1] Nus: [0, 0] [2019-01-01 21:31:59,859 WARN L181 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-01-01 21:31:59,990 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-01-01 21:31:59,991 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:31:59,991 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:31:59,991 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:31:59,991 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:31:59,992 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:31:59,992 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:31:59,992 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:31:59,992 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:31:59,992 INFO L131 ssoRankerPreferences]: Filename of dumped script: Gothenburg_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2019-01-01 21:31:59,992 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:31:59,993 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:31:59,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:00,528 WARN L181 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:00,723 WARN L181 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 21:32:00,730 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:00,730 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,735 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,735 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:00,750 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:00,750 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,775 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,775 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:00,791 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:00,791 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,820 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,821 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:00,840 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:00,841 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,846 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,846 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:00,850 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:00,850 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,873 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,873 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:00,894 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:00,894 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,915 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,916 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:00,919 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:00,919 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:00,942 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:00,943 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:32:01,019 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:32:01,019 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:13,210 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 21:32:13,226 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:13,227 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:13,227 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:13,227 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:13,227 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:32:13,227 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:13,227 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:13,227 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:13,228 INFO L131 ssoRankerPreferences]: Filename of dumped script: Gothenburg_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2019-01-01 21:32:13,228 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:13,228 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:13,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:13,837 WARN L181 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 21:32:13,912 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:13,918 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:32:13,920 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 [2019-01-01 21:32:13,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:13,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:13,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:13,923 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:13,928 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:13,928 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:13,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:13,938 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 [2019-01-01 21:32:13,939 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:13,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:13,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:13,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:13,940 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:13,943 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:13,943 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:13,944 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:13,945 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 [2019-01-01 21:32:13,946 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:13,946 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:13,946 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:13,946 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:13,961 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-01-01 21:32:13,961 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:32:14,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,277 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 [2019-01-01 21:32:14,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:14,283 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:14,289 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,290 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,290 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 [2019-01-01 21:32:14,291 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,292 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:14,296 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:14,296 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,297 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 [2019-01-01 21:32:14,300 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,301 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,306 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:14,306 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:14,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,310 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 [2019-01-01 21:32:14,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,311 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,311 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,311 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:14,316 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:14,317 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:14,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,328 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 [2019-01-01 21:32:14,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,331 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:14,332 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:14,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,333 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,335 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:32:14,335 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 [2019-01-01 21:32:14,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,339 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,341 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:14,343 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:14,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,352 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 [2019-01-01 21:32:14,355 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,355 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,355 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,355 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,355 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,357 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:14,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,359 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 [2019-01-01 21:32:14,360 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,360 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:14,360 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,376 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-01-01 21:32:14,376 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:32:14,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,484 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 [2019-01-01 21:32:14,487 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,488 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,488 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:14,488 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,493 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 [2019-01-01 21:32:14,495 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,496 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,496 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,498 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:14,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,499 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,501 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 [2019-01-01 21:32:14,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,503 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,504 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,504 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:14,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,509 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,509 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 [2019-01-01 21:32:14,510 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,510 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,510 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,510 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,514 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:14,516 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:14,522 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,529 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 [2019-01-01 21:32:14,530 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,532 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,532 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:14,533 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:14,533 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,535 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,535 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 21:32:14,536 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 [2019-01-01 21:32:14,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,539 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,539 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,541 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:32:14,542 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:32:14,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,552 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 [2019-01-01 21:32:14,555 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,556 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,556 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:14,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,560 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 [2019-01-01 21:32:14,561 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,562 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:14,562 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,583 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2019-01-01 21:32:14,585 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2019-01-01 21:32:14,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,724 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 [2019-01-01 21:32:14,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,726 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,727 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:14,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,727 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,731 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 [2019-01-01 21:32:14,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,736 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,737 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:14,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,738 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,739 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 [2019-01-01 21:32:14,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,742 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,743 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:14,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,748 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 [2019-01-01 21:32:14,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,749 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,750 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:32:14,750 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:32:14,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,762 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 [2019-01-01 21:32:14,764 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,764 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,765 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:14,765 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:14,765 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,769 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 21:32:14,769 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 [2019-01-01 21:32:14,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,772 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:14,774 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:32:14,776 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:32:14,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,781 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 [2019-01-01 21:32:14,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:14,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:14,784 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:14,786 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:32:14,786 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:14,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:14,788 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 [2019-01-01 21:32:14,789 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:14,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:14,790 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:14,790 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:14,803 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2019-01-01 21:32:14,803 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2019-01-01 21:32:15,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,031 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 [2019-01-01 21:32:15,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:15,032 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:15,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,033 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:15,033 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:32:15,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:15,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,038 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 [2019-01-01 21:32:15,038 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:15,038 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:15,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,041 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:15,041 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:32:15,041 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:15,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,044 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 [2019-01-01 21:32:15,044 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:15,044 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:15,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,047 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:15,047 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:32:15,047 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:15,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,049 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 [2019-01-01 21:32:15,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:15,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,051 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:15,054 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 21:32:15,054 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 21:32:15,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,059 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:32:15,059 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:15,059 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:15,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,060 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 21:32:15,060 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 21:32:15,060 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:15,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,061 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 21:32:15,061 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 [2019-01-01 21:32:15,066 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:32:15,066 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:32:15,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,067 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:15,069 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:15,069 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:15,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,073 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 [2019-01-01 21:32:15,074 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:32:15,074 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:32:15,074 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:15,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:15,074 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:15,078 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:15,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:15,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:15,080 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 [2019-01-01 21:32:15,080 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 21:32:15,081 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 21:32:15,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:15,081 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:15,081 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:15,090 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-01-01 21:32:15,091 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 21:32:15,239 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:32:15,336 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-01-01 21:32:15,336 INFO L444 ModelExtractionUtils]: 26 out of 42 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-01-01 21:32:15,340 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:32:15,344 INFO L440 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2019-01-01 21:32:15,344 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:32:15,346 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~x~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0, -1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] [2019-01-01 21:32:15,401 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2019-01-01 21:32:15,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:16,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:16,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:32:16,073 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-01-01 21:32:16,077 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-01-01 21:32:16,532 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2019-01-01 21:32:16,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-01 21:32:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-01 21:32:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-01-01 21:32:16,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2019-01-01 21:32:16,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:16,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2019-01-01 21:32:16,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:16,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2019-01-01 21:32:16,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:16,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-01-01 21:32:16,547 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:32:16,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-01-01 21:32:16,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:32:16,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:32:16,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:32:16,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:32:16,555 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:16,555 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:16,555 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:16,555 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:32:16,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:32:16,555 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:32:16,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:32:16,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:32:16 BoogieIcfgContainer [2019-01-01 21:32:16,565 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:32:16,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:32:16,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:32:16,566 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:32:16,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:31:58" (3/4) ... [2019-01-01 21:32:16,573 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:32:16,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:32:16,575 INFO L168 Benchmark]: Toolchain (without parser) took 19393.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:16,578 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:16,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:16,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:16,582 INFO L168 Benchmark]: Boogie Preprocessor took 25.84 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:16,583 INFO L168 Benchmark]: RCFGBuilder took 547.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:16,586 INFO L168 Benchmark]: BuchiAutomizer took 18464.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:16,588 INFO L168 Benchmark]: Witness Printer took 9.15 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. [2019-01-01 21:32:16,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.84 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 18464.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * Witness Printer took 9.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-phase ranking function (if x + 1 > 0 then 1 else 0), (if x + 1 > 0 then x + 1 else 2 * y + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 17.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 242ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...