./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash d6fc39c41c06c7ae6beaa03fe622faa9944187b4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-29 00:08:02,086 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:08:02,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:08:02,103 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:08:02,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:08:02,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:08:02,106 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:08:02,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:08:02,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:08:02,113 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:08:02,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:08:02,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:08:02,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:08:02,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:08:02,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:08:02,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:08:02,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:08:02,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:08:02,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:08:02,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:08:02,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:08:02,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:08:02,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:08:02,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:08:02,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:08:02,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:08:02,152 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:08:02,153 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:08:02,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:08:02,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:08:02,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:08:02,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:08:02,157 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:08:02,157 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:08:02,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:08:02,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:08:02,159 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:08:02,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:08:02,192 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:08:02,193 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:08:02,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:08:02,193 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:08:02,194 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:08:02,194 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:08:02,194 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:08:02,195 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:08:02,195 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:08:02,195 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:08:02,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:08:02,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:08:02,195 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:08:02,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:08:02,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:08:02,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:08:02,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:08:02,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:08:02,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:08:02,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:08:02,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:08:02,199 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:08:02,199 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:08:02,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:08:02,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:08:02,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:08:02,199 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:08:02,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:08:02,200 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:08:02,200 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:08:02,202 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:08:02,202 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6fc39c41c06c7ae6beaa03fe622faa9944187b4 [2018-11-29 00:08:02,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:08:02,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:08:02,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:08:02,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:08:02,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:08:02,279 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c [2018-11-29 00:08:02,338 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd38258c/3c8e014d1930495a912dc1ff3ce486cf/FLAG4bd804b3c [2018-11-29 00:08:02,833 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:08:02,835 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c [2018-11-29 00:08:02,852 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd38258c/3c8e014d1930495a912dc1ff3ce486cf/FLAG4bd804b3c [2018-11-29 00:08:03,143 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dd38258c/3c8e014d1930495a912dc1ff3ce486cf [2018-11-29 00:08:03,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:08:03,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:08:03,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:08:03,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:08:03,156 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:08:03,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371bb217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03, skipping insertion in model container [2018-11-29 00:08:03,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:08:03,226 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:08:03,519 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:08:03,530 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:08:03,584 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:08:03,612 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:08:03,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03 WrapperNode [2018-11-29 00:08:03,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:08:03,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:08:03,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:08:03,616 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:08:03,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:08:03,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:08:03,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:08:03,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:08:03,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (1/1) ... [2018-11-29 00:08:03,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:08:03,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:08:03,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:08:03,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:08:03,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (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 [2018-11-29 00:08:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:08:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:08:04,933 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:08:04,933 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-11-29 00:08:04,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:08:04 BoogieIcfgContainer [2018-11-29 00:08:04,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:08:04,935 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:08:04,935 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:08:04,939 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:08:04,939 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:08:04,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:08:03" (1/3) ... [2018-11-29 00:08:04,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2495db84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:08:04, skipping insertion in model container [2018-11-29 00:08:04,941 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:08:04,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:08:03" (2/3) ... [2018-11-29 00:08:04,941 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2495db84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:08:04, skipping insertion in model container [2018-11-29 00:08:04,942 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:08:04,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:08:04" (3/3) ... [2018-11-29 00:08:04,944 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c [2018-11-29 00:08:05,004 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:08:05,005 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:08:05,005 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:08:05,005 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:08:05,005 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:08:05,005 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:08:05,006 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:08:05,006 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:08:05,006 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:08:05,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states. [2018-11-29 00:08:05,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2018-11-29 00:08:05,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:08:05,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:08:05,062 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-29 00:08:05,062 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:08:05,062 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:08:05,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states. [2018-11-29 00:08:05,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2018-11-29 00:08:05,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:08:05,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:08:05,071 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-29 00:08:05,071 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:08:05,079 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRYtrue ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 26#L249true assume !(0 == ~r1~0);init_~tmp~0 := 0; 25#L249-1true init_#res := init_~tmp~0; 98#L346true main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 44#L408-2true [2018-11-29 00:08:05,080 INFO L796 eck$LassoCheckResult]: Loop: 44#L408-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 77#L110true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 19#L114true assume !(node1_~m1~0 != ~nomsg~0); 16#L114-1true ~mode1~0 := 0; 75#L110-2true havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 21#L147true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 24#L150true assume !(node2_~m2~0 != ~nomsg~0); 23#L150-1true ~mode2~0 := 0; 17#L147-2true havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 94#L181true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 85#L184true assume !(node3_~m3~0 != ~nomsg~0); 84#L184-1true ~mode3~0 := 0; 82#L181-2true havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 59#L215true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 40#L218true assume !(node4_~m4~0 != ~nomsg~0); 51#L218-1true ~mode4~0 := 0; 56#L215-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 5#L354true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 8#L354-1true check_#res := check_~tmp~1; 65#L366true main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 57#L435true assume !(0 == assert_~arg % 256); 41#L430true main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 44#L408-2true [2018-11-29 00:08:05,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:05,086 INFO L82 PathProgramCache]: Analyzing trace with hash 28832784, now seen corresponding path program 1 times [2018-11-29 00:08:05,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:05,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:05,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:08:05,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:08:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:08:05,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:08:05,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-29 00:08:05,341 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-29 00:08:05,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:05,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1703887177, now seen corresponding path program 1 times [2018-11-29 00:08:05,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:05,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:05,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:08:05,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:08:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:08:05,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:08:05,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-29 00:08:05,469 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-29 00:08:05,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-29 00:08:05,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-29 00:08:05,491 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 4 states. [2018-11-29 00:08:05,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:08:05,698 INFO L93 Difference]: Finished difference Result 99 states and 161 transitions. [2018-11-29 00:08:05,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-29 00:08:05,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 161 transitions. [2018-11-29 00:08:05,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-29 00:08:05,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 92 states and 131 transitions. [2018-11-29 00:08:05,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-29 00:08:05,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-29 00:08:05,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 131 transitions. [2018-11-29 00:08:05,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:08:05,718 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-11-29 00:08:05,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 131 transitions. [2018-11-29 00:08:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-29 00:08:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-29 00:08:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2018-11-29 00:08:05,757 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-11-29 00:08:05,757 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-11-29 00:08:05,757 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:08:05,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 131 transitions. [2018-11-29 00:08:05,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-29 00:08:05,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:08:05,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:08:05,768 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:08:05,768 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:08:05,769 INFO L794 eck$LassoCheckResult]: Stem: 273#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 232#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 233#L249 assume 0 == ~r1~0; 281#L250 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 283#L251 assume ~id1~0 >= 0; 222#L252 assume 0 == ~st1~0; 223#L253 assume ~send1~0 == ~id1~0; 266#L254 assume 0 == ~mode1~0 % 256; 234#L255 assume ~id2~0 >= 0; 235#L256 assume 0 == ~st2~0; 274#L257 assume ~send2~0 == ~id2~0; 293#L258 assume 0 == ~mode2~0 % 256; 248#L259 assume ~id3~0 >= 0; 249#L260 assume 0 == ~st3~0; 282#L261 assume ~send3~0 == ~id3~0; 284#L262 assume 0 == ~mode3~0 % 256; 224#L263 assume ~id4~0 >= 0; 225#L264 assume 0 == ~st4~0; 267#L265 assume ~send4~0 == ~id4~0; 236#L266 assume 0 == ~mode4~0 % 256; 237#L267 assume ~id1~0 != ~id2~0; 275#L268 assume ~id1~0 != ~id3~0; 294#L269 assume ~id1~0 != ~id4~0; 250#L270 assume ~id2~0 != ~id3~0; 251#L271 assume ~id2~0 != ~id4~0; 255#L272 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 277#L249-1 init_#res := init_~tmp~0; 278#L346 main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 298#L408-2 [2018-11-29 00:08:05,769 INFO L796 eck$LassoCheckResult]: Loop: 298#L408-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 279#L110 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 264#L114 assume !(node1_~m1~0 != ~nomsg~0); 259#L114-1 ~mode1~0 := 0; 260#L110-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 269#L147 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 270#L150 assume !(node2_~m2~0 != ~nomsg~0); 272#L150-1 ~mode2~0 := 0; 261#L147-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 262#L181 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 296#L184 assume !(node3_~m3~0 != ~nomsg~0); 213#L184-1 ~mode3~0 := 0; 227#L181-2 havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 243#L215 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 245#L218 assume !(node4_~m4~0 != ~nomsg~0); 215#L218-1 ~mode4~0 := 0; 238#L215-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 219#L354 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 220#L354-1 check_#res := check_~tmp~1; 228#L366 main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 239#L435 assume !(0 == assert_~arg % 256); 240#L430 main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 298#L408-2 [2018-11-29 00:08:05,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:05,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 1 times [2018-11-29 00:08:05,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:05,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:05,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:08:05,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:08:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:08:05,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:05,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1703887177, now seen corresponding path program 2 times [2018-11-29 00:08:05,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:05,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:05,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:08:05,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:08:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:08:06,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:08:06,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-29 00:08:06,056 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-29 00:08:06,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-29 00:08:06,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-29 00:08:06,057 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. cyclomatic complexity: 40 Second operand 5 states. [2018-11-29 00:08:06,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:08:06,183 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2018-11-29 00:08:06,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-29 00:08:06,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 133 transitions. [2018-11-29 00:08:06,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-29 00:08:06,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 92 states and 129 transitions. [2018-11-29 00:08:06,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-29 00:08:06,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-29 00:08:06,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2018-11-29 00:08:06,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:08:06,193 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2018-11-29 00:08:06,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2018-11-29 00:08:06,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-29 00:08:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-29 00:08:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2018-11-29 00:08:06,201 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2018-11-29 00:08:06,201 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2018-11-29 00:08:06,202 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-29 00:08:06,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 129 transitions. [2018-11-29 00:08:06,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-29 00:08:06,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:08:06,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:08:06,207 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:08:06,207 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:08:06,207 INFO L794 eck$LassoCheckResult]: Stem: 472#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 431#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 432#L249 assume 0 == ~r1~0; 480#L250 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 482#L251 assume ~id1~0 >= 0; 420#L252 assume 0 == ~st1~0; 421#L253 assume ~send1~0 == ~id1~0; 465#L254 assume 0 == ~mode1~0 % 256; 433#L255 assume ~id2~0 >= 0; 434#L256 assume 0 == ~st2~0; 473#L257 assume ~send2~0 == ~id2~0; 492#L258 assume 0 == ~mode2~0 % 256; 446#L259 assume ~id3~0 >= 0; 447#L260 assume 0 == ~st3~0; 481#L261 assume ~send3~0 == ~id3~0; 483#L262 assume 0 == ~mode3~0 % 256; 422#L263 assume ~id4~0 >= 0; 423#L264 assume 0 == ~st4~0; 466#L265 assume ~send4~0 == ~id4~0; 435#L266 assume 0 == ~mode4~0 % 256; 436#L267 assume ~id1~0 != ~id2~0; 474#L268 assume ~id1~0 != ~id3~0; 493#L269 assume ~id1~0 != ~id4~0; 449#L270 assume ~id2~0 != ~id3~0; 450#L271 assume ~id2~0 != ~id4~0; 454#L272 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 476#L249-1 init_#res := init_~tmp~0; 477#L346 main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 497#L408-2 [2018-11-29 00:08:06,207 INFO L796 eck$LassoCheckResult]: Loop: 497#L408-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 478#L110 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 463#L114 assume !(node1_~m1~0 != ~nomsg~0); 458#L114-1 ~mode1~0 := 0; 459#L110-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 468#L147 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 469#L150 assume !(node2_~m2~0 != ~nomsg~0); 471#L150-1 ~mode2~0 := 0; 460#L147-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 461#L181 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 495#L184 assume !(node3_~m3~0 != ~nomsg~0); 412#L184-1 ~mode3~0 := 0; 425#L181-2 havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 442#L215 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 444#L218 assume !(node4_~m4~0 != ~nomsg~0); 414#L218-1 ~mode4~0 := 0; 437#L215-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 418#L354 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 419#L355 assume ~r1~0 < 4;check_~tmp~1 := 1; 426#L354-1 check_#res := check_~tmp~1; 427#L366 main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 438#L435 assume !(0 == assert_~arg % 256); 439#L430 main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 497#L408-2 [2018-11-29 00:08:06,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:06,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 2 times [2018-11-29 00:08:06,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:06,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:06,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:06,214 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-29 00:08:06,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:08:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:08:06,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:06,272 INFO L82 PathProgramCache]: Analyzing trace with hash 897567768, now seen corresponding path program 1 times [2018-11-29 00:08:06,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:06,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:06,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:06,275 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-29 00:08:06,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:08:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:08:06,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:06,306 INFO L82 PathProgramCache]: Analyzing trace with hash 490525712, now seen corresponding path program 1 times [2018-11-29 00:08:06,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:08:06,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:08:06,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:06,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:08:06,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:08:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:08:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:08:06,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:08:06,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-29 00:08:07,305 WARN L180 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2018-11-29 00:08:08,491 WARN L180 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2018-11-29 00:08:08,503 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:08:08,505 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:08:08,505 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:08:08,505 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:08:08,505 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:08:08,505 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:08:08,506 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:08:08,506 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:08:08,506 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-29 00:08:08,506 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:08:08,506 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:08:08,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,860 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-11-29 00:08:08,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:08,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:09,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:09,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:09,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:09,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:09,367 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-11-29 00:08:09,751 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:08:09,752 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:08:09,760 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:08:09,761 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:08:09,796 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:08:09,796 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:08:09,948 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-29 00:08:09,950 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:08:09,950 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:08:09,950 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:08:09,951 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:08:09,951 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:08:09,951 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:08:09,951 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:08:09,951 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:08:09,951 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-29 00:08:09,951 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:08:09,951 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:08:09,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:09,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:08:10,388 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-11-29 00:08:10,904 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-11-29 00:08:11,072 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:08:11,078 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:08:11,080 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 [2018-11-29 00:08:11,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,083 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,092 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,092 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,092 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,093 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,095 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:08:11,095 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:08:11,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,098 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,099 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,099 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,101 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,101 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,102 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,103 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,104 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,106 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:08:11,106 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:08:11,109 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,110 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,111 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,114 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,115 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,117 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:08:11,117 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:08:11,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,120 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,121 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-29 00:08:11,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,122 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-29 00:08:11,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,128 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,130 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:08:11,130 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:08:11,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,134 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,134 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,135 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,135 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,137 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,138 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,138 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,139 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,139 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,140 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,140 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,141 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,142 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,142 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,142 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,142 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,144 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:08:11,144 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:08:11,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,147 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,148 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,148 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:08:11,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-29 00:08:11,152 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:08:11,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:08:11,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:08:11,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:08:11,153 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:08:11,153 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:08:11,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:08:11,155 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:08:11,159 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-29 00:08:11,159 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-29 00:08:11,161 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:08:11,162 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-29 00:08:11,162 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:08:11,162 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2018-11-29 00:08:11,163 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-29 00:08:11,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:08:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:08:11,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:08:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:08:11,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:08:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:08:11,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-29 00:08:11,420 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 129 transitions. cyclomatic complexity: 38 Second operand 3 states. [2018-11-29 00:08:11,498 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 129 transitions. cyclomatic complexity: 38. Second operand 3 states. Result 156 states and 231 transitions. Complement of second has 4 states. [2018-11-29 00:08:11,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-29 00:08:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-29 00:08:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2018-11-29 00:08:11,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 28 letters. Loop has 23 letters. [2018-11-29 00:08:11,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:08:11,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 51 letters. Loop has 23 letters. [2018-11-29 00:08:11,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:08:11,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 28 letters. Loop has 46 letters. [2018-11-29 00:08:11,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:08:11,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 231 transitions. [2018-11-29 00:08:11,512 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:08:11,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 0 states and 0 transitions. [2018-11-29 00:08:11,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:08:11,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:08:11,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:08:11,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:08:11,515 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:08:11,515 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:08:11,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-29 00:08:11,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-29 00:08:11,516 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-29 00:08:11,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:08:11,516 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-29 00:08:11,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-29 00:08:11,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-29 00:08:11,518 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:08:11,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-29 00:08:11,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:08:11,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:08:11,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:08:11,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:08:11,518 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:08:11,518 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:08:11,519 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:08:11,519 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-29 00:08:11,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-29 00:08:11,519 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:08:11,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-29 00:08:11,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:08:11 BoogieIcfgContainer [2018-11-29 00:08:11,525 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:08:11,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:08:11,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:08:11,526 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:08:11,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:08:04" (3/4) ... [2018-11-29 00:08:11,530 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-29 00:08:11,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:08:11,531 INFO L168 Benchmark]: Toolchain (without parser) took 8383.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 947.3 MB in the beginning and 898.9 MB in the end (delta: 48.5 MB). Peak memory consumption was 264.5 MB. Max. memory is 11.5 GB. [2018-11-29 00:08:11,533 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:08:11,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.90 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:08:11,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:08:11,535 INFO L168 Benchmark]: Boogie Preprocessor took 47.15 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. [2018-11-29 00:08:11,535 INFO L168 Benchmark]: RCFGBuilder took 1138.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-11-29 00:08:11,536 INFO L168 Benchmark]: BuchiAutomizer took 6590.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 898.9 MB in the end (delta: 199.2 MB). Peak memory consumption was 265.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:08:11,537 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 898.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:08:11,542 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.90 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 931.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -205.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.15 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. * RCFGBuilder took 1138.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6590.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 898.9 MB in the end (delta: 199.2 MB). Peak memory consumption was 265.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 898.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 92 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 415 SDtfs, 230 SDslu, 770 SDs, 0 SdLazy, 22 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax118 hnf104 lsp17 ukn86 mio100 lsp100 div132 bol100 ite100 ukn100 eq172 hnf85 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...