./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c878d4c6ffd1ff0965d17e614910488cd1ba3a61 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:36,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:36,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:36,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:36,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:36,236 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:36,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:36,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:36,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:36,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:36,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:36,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:36,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:36,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:36,243 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:36,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:36,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:36,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:36,247 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:36,248 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:36,249 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:36,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:36,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:36,251 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:36,251 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:36,252 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:36,253 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:36,253 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:36,254 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:36,255 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:36,255 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:36,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:36,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:36,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:36,256 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:36,257 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:36,257 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:36,269 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:36,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:36,270 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:36,270 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:36,270 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:36,270 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:36,270 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:36,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:36,271 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:36,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:36,273 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:36,273 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:36,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:36,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:36,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:36,273 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:36,273 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:36,274 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:36,274 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:36,274 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:36,274 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c878d4c6ffd1ff0965d17e614910488cd1ba3a61 [2018-11-18 08:34:36,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:36,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:36,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:36,306 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:36,307 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:36,307 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c [2018-11-18 08:34:36,343 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/data/f400923e0/49e383531cb64dc5acb5e8b1ac61b31e/FLAG706a5d75f [2018-11-18 08:34:36,698 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:36,699 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c [2018-11-18 08:34:36,708 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/data/f400923e0/49e383531cb64dc5acb5e8b1ac61b31e/FLAG706a5d75f [2018-11-18 08:34:36,717 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/data/f400923e0/49e383531cb64dc5acb5e8b1ac61b31e [2018-11-18 08:34:36,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:36,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:36,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:36,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:36,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:36,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:36" (1/1) ... [2018-11-18 08:34:36,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:36, skipping insertion in model container [2018-11-18 08:34:36,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:36" (1/1) ... [2018-11-18 08:34:36,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:36,765 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:36,955 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:36,963 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:37,059 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:37,070 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:37,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37 WrapperNode [2018-11-18 08:34:37,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:37,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:37,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:37,071 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:37,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:37,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:37,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:37,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:37,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... [2018-11-18 08:34:37,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:37,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:37,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:37,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:37,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:37,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:38,020 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:38,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:38 BoogieIcfgContainer [2018-11-18 08:34:38,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:38,021 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:38,021 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:38,024 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:38,024 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:38,024 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:36" (1/3) ... [2018-11-18 08:34:38,025 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@141b32be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:38, skipping insertion in model container [2018-11-18 08:34:38,025 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:38,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:37" (2/3) ... [2018-11-18 08:34:38,025 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@141b32be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:38, skipping insertion in model container [2018-11-18 08:34:38,025 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:38,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:38" (3/3) ... [2018-11-18 08:34:38,027 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c [2018-11-18 08:34:38,061 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:38,061 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:38,061 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:38,061 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:38,061 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:38,061 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:38,062 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:38,062 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:38,062 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:38,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 322 states. [2018-11-18 08:34:38,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 124 [2018-11-18 08:34:38,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:38,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:38,116 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, 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] [2018-11-18 08:34:38,116 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] [2018-11-18 08:34:38,116 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:38,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 322 states. [2018-11-18 08:34:38,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 124 [2018-11-18 08:34:38,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:38,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:38,126 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, 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] [2018-11-18 08:34:38,127 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] [2018-11-18 08:34:38,133 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0;~nomsg~0 := -1;~p12~0 := 0;~p13~0 := 0;~p14~0 := 0;~p21~0 := 0;~p23~0 := 0;~p24~0 := 0;~p31~0 := 0;~p32~0 := 0;~p34~0 := 0;~p41~0 := 0;~p42~0 := 0;~p43~0 := 0;~nodes~0.base, ~nodes~0.offset := ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.base(), ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.offset();~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]; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc 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~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~ret56, main_#t~ret57, main_#t~post58, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet12;havoc main_#t~nondet12;~ep13~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep14~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep24~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep31~0 := main_#t~nondet18;havoc main_#t~nondet18;~ep32~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep34~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep41~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep42~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep43~0 := main_#t~nondet23;havoc main_#t~nondet23;~id1~0 := main_#t~nondet24;havoc main_#t~nondet24;~r1~0 := main_#t~nondet25;havoc main_#t~nondet25;~st1~0 := main_#t~nondet26;havoc main_#t~nondet26;~nl1~0 := main_#t~nondet27;havoc main_#t~nondet27;~m1~0 := main_#t~nondet28;havoc main_#t~nondet28;~max1~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode1~0 := main_#t~nondet30;havoc main_#t~nondet30;~newmax1~0 := main_#t~nondet31;havoc main_#t~nondet31;~id2~0 := main_#t~nondet32;havoc main_#t~nondet32;~r2~0 := main_#t~nondet33;havoc main_#t~nondet33;~st2~0 := main_#t~nondet34;havoc main_#t~nondet34;~nl2~0 := main_#t~nondet35;havoc main_#t~nondet35;~m2~0 := main_#t~nondet36;havoc main_#t~nondet36;~max2~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode2~0 := main_#t~nondet38;havoc main_#t~nondet38;~newmax2~0 := main_#t~nondet39;havoc main_#t~nondet39;~id3~0 := main_#t~nondet40;havoc main_#t~nondet40;~r3~0 := main_#t~nondet41;havoc main_#t~nondet41;~st3~0 := main_#t~nondet42;havoc main_#t~nondet42;~nl3~0 := main_#t~nondet43;havoc main_#t~nondet43;~m3~0 := main_#t~nondet44;havoc main_#t~nondet44;~max3~0 := main_#t~nondet45;havoc main_#t~nondet45;~mode3~0 := main_#t~nondet46;havoc main_#t~nondet46;~newmax3~0 := main_#t~nondet47;havoc main_#t~nondet47;~id4~0 := main_#t~nondet48;havoc main_#t~nondet48;~r4~0 := main_#t~nondet49;havoc main_#t~nondet49;~st4~0 := main_#t~nondet50;havoc main_#t~nondet50;~nl4~0 := main_#t~nondet51;havoc main_#t~nondet51;~m4~0 := main_#t~nondet52;havoc main_#t~nondet52;~max4~0 := main_#t~nondet53;havoc main_#t~nondet53;~mode4~0 := main_#t~nondet54;havoc main_#t~nondet54;~newmax4~0 := main_#t~nondet55;havoc main_#t~nondet55;assume { :begin_inline_init } true;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 127#L484true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 140#L495true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 20#L505true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 18#L516true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 248#L526true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 247#L537true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 309#L547true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 308#L558true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 213#L568true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 212#L579true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 106#L589true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 105#L600true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 7#L610true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 5#L621true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 67#L631true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 66#L642true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 295#L652true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 293#L663true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 192#L673true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 190#L684true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 85#L694true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 84#L705true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 147#L715true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 146#L726true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 47#L736true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 46#L747true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 275#L757true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 274#L768true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 179#L778true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 178#L789true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 238#L799true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 237#L810true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 119#L820true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 135#L831true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 14#L841true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 13#L852true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 72#L862true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 70#L873true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 299#L883true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 298#L894true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 196#L904true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 195#L915true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 93#L925true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 92#L936true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 160#L946true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 158#L957true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 59#L967true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 57#L978true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 286#L988true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 288#L988-1true init_#res := init_~tmp___23~0; 88#L1173true main_#t~ret56 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret56;havoc main_#t~ret56;assume 0 != main_~i2~0;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 49#L1314-3true [2018-11-18 08:34:38,134 INFO L796 eck$LassoCheckResult]: Loop: 49#L1314-3true assume true; 43#L1314-1true assume !!(main_~i2~0 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_#t~ite1, node1_#t~ite2, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 313#L156true assume !(0 != ~mode1~0 % 256); 156#L192true assume !(~r1~0 < 3); 151#L192-1true ~mode1~0 := 1; 307#L156-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite3, node2_#t~ite4, node2_#t~ite5, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 110#L220true assume !(0 != ~mode2~0 % 256); 278#L256true assume !(~r2~0 < 3); 277#L256-1true ~mode2~0 := 1; 103#L220-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6, node3_#t~ite7, node3_#t~ite8, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 68#L284true assume !(0 != ~mode3~0 % 256); 236#L320true assume !(~r3~0 < 3); 239#L320-1true ~mode3~0 := 1; 63#L284-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9, node4_#t~ite10, node4_#t~ite11, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 203#L348true assume !(0 != ~mode4~0 % 256); 28#L384true assume !(~r4~0 < 3); 32#L384-1true ~mode4~0 := 1; 210#L348-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 257#L1181true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 259#L1181-1true check_#res := check_~tmp~1; 122#L1233true main_#t~ret57 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret57;havoc main_#t~ret57;assume { :begin_inline_assert } true;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 265#L1357true assume !(0 == assert_~arg % 256); 77#L1352true assume { :end_inline_assert } true;main_#t~post58 := main_~i2~0;main_~i2~0 := 1 + main_#t~post58;havoc main_#t~post58; 49#L1314-3true [2018-11-18 08:34:38,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:38,139 INFO L82 PathProgramCache]: Analyzing trace with hash 15555676, now seen corresponding path program 1 times [2018-11-18 08:34:38,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:38,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:38,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:38,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:38,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:38,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:38,381 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 08:34:38,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:38,382 INFO L82 PathProgramCache]: Analyzing trace with hash -748401664, now seen corresponding path program 1 times [2018-11-18 08:34:38,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:38,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:38,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:38,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:38,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:38,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:38,445 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:38,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:38,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:38,456 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 5 states. [2018-11-18 08:34:38,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:38,549 INFO L93 Difference]: Finished difference Result 326 states and 580 transitions. [2018-11-18 08:34:38,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:38,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 326 states and 580 transitions. [2018-11-18 08:34:38,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2018-11-18 08:34:38,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 326 states to 317 states and 563 transitions. [2018-11-18 08:34:38,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 317 [2018-11-18 08:34:38,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 317 [2018-11-18 08:34:38,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 563 transitions. [2018-11-18 08:34:38,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:38,569 INFO L705 BuchiCegarLoop]: Abstraction has 317 states and 563 transitions. [2018-11-18 08:34:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 563 transitions. [2018-11-18 08:34:38,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-11-18 08:34:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-18 08:34:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 563 transitions. [2018-11-18 08:34:38,602 INFO L728 BuchiCegarLoop]: Abstraction has 317 states and 563 transitions. [2018-11-18 08:34:38,602 INFO L608 BuchiCegarLoop]: Abstraction has 317 states and 563 transitions. [2018-11-18 08:34:38,602 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:38,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 317 states and 563 transitions. [2018-11-18 08:34:38,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2018-11-18 08:34:38,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:38,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:38,607 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, 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] [2018-11-18 08:34:38,608 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:38,608 INFO L794 eck$LassoCheckResult]: Stem: 873#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0;~nomsg~0 := -1;~p12~0 := 0;~p13~0 := 0;~p14~0 := 0;~p21~0 := 0;~p23~0 := 0;~p24~0 := 0;~p31~0 := 0;~p32~0 := 0;~p34~0 := 0;~p41~0 := 0;~p42~0 := 0;~p43~0 := 0;~nodes~0.base, ~nodes~0.offset := ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.base(), ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.offset();~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]; 686#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc 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~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~ret56, main_#t~ret57, main_#t~post58, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet12;havoc main_#t~nondet12;~ep13~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep14~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep24~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep31~0 := main_#t~nondet18;havoc main_#t~nondet18;~ep32~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep34~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep41~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep42~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep43~0 := main_#t~nondet23;havoc main_#t~nondet23;~id1~0 := main_#t~nondet24;havoc main_#t~nondet24;~r1~0 := main_#t~nondet25;havoc main_#t~nondet25;~st1~0 := main_#t~nondet26;havoc main_#t~nondet26;~nl1~0 := main_#t~nondet27;havoc main_#t~nondet27;~m1~0 := main_#t~nondet28;havoc main_#t~nondet28;~max1~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode1~0 := main_#t~nondet30;havoc main_#t~nondet30;~newmax1~0 := main_#t~nondet31;havoc main_#t~nondet31;~id2~0 := main_#t~nondet32;havoc main_#t~nondet32;~r2~0 := main_#t~nondet33;havoc main_#t~nondet33;~st2~0 := main_#t~nondet34;havoc main_#t~nondet34;~nl2~0 := main_#t~nondet35;havoc main_#t~nondet35;~m2~0 := main_#t~nondet36;havoc main_#t~nondet36;~max2~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode2~0 := main_#t~nondet38;havoc main_#t~nondet38;~newmax2~0 := main_#t~nondet39;havoc main_#t~nondet39;~id3~0 := main_#t~nondet40;havoc main_#t~nondet40;~r3~0 := main_#t~nondet41;havoc main_#t~nondet41;~st3~0 := main_#t~nondet42;havoc main_#t~nondet42;~nl3~0 := main_#t~nondet43;havoc main_#t~nondet43;~m3~0 := main_#t~nondet44;havoc main_#t~nondet44;~max3~0 := main_#t~nondet45;havoc main_#t~nondet45;~mode3~0 := main_#t~nondet46;havoc main_#t~nondet46;~newmax3~0 := main_#t~nondet47;havoc main_#t~nondet47;~id4~0 := main_#t~nondet48;havoc main_#t~nondet48;~r4~0 := main_#t~nondet49;havoc main_#t~nondet49;~st4~0 := main_#t~nondet50;havoc main_#t~nondet50;~nl4~0 := main_#t~nondet51;havoc main_#t~nondet51;~m4~0 := main_#t~nondet52;havoc main_#t~nondet52;~max4~0 := main_#t~nondet53;havoc main_#t~nondet53;~mode4~0 := main_#t~nondet54;havoc main_#t~nondet54;~newmax4~0 := main_#t~nondet55;havoc main_#t~nondet55;assume { :begin_inline_init } true;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 687#L484 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 712#L495 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 706#L505 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 702#L516 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 703#L526 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 741#L537 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 970#L547 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 955#L558 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 953#L568 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 853#L579 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 851#L589 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 678#L600 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 675#L610 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 673#L621 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 674#L631 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 669#L642 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 790#L652 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 789#L663 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 943#L673 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 823#L684 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 821#L694 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 698#L705 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 819#L715 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 761#L726 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 757#L736 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 755#L747 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 756#L757 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 754#L768 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 927#L778 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 814#L789 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 926#L799 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 871#L810 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 869#L820 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 694#L831 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 690#L841 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 688#L852 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 689#L862 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 730#L873 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 799#L883 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 949#L894 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 946#L904 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 834#L915 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 831#L925 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 716#L936 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 830#L946 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 783#L957 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 780#L967 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 775#L978 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 776#L988 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 684#L988-1 init_#res := init_~tmp___23~0; 824#L1173 main_#t~ret56 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret56;havoc main_#t~ret56;assume 0 != main_~i2~0;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 762#L1314-3 [2018-11-18 08:34:38,608 INFO L796 eck$LassoCheckResult]: Loop: 762#L1314-3 assume true; 750#L1314-1 assume !!(main_~i2~0 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_#t~ite1, node1_#t~ite2, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 751#L156 assume !(0 != ~mode1~0 % 256); 904#L192 assume !(~r1~0 < 3); 839#L192-1 ~mode1~0 := 1; 902#L156-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite3, node2_#t~ite4, node2_#t~ite5, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 855#L220 assume !(0 != ~mode2~0 % 256); 857#L256 assume !(~r2~0 < 3); 779#L256-1 ~mode2~0 := 1; 849#L220-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6, node3_#t~ite7, node3_#t~ite8, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 791#L284 assume !(0 != ~mode3~0 % 256); 793#L320 assume !(~r3~0 < 3); 920#L320-1 ~mode3~0 := 1; 785#L284-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9, node4_#t~ite10, node4_#t~ite11, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 786#L348 assume !(0 != ~mode4~0 % 256); 724#L384 assume !(~r4~0 < 3); 725#L384-1 ~mode4~0 := 1; 731#L348-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 952#L1181 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 734#L1182 assume ~st1~0 + ~nl1~0 <= 1; 735#L1183 assume ~st2~0 + ~nl2~0 <= 1; 825#L1184 assume ~st3~0 + ~nl3~0 <= 1; 826#L1185 assume ~st4~0 + ~nl4~0 <= 1; 942#L1186 assume ~r1~0 >= 3; 877#L1190 assume ~r1~0 < 3; 820#L1195 assume ~r1~0 >= 3; 696#L1200 assume ~r1~0 < 3;check_~tmp~1 := 1; 733#L1181-1 check_#res := check_~tmp~1; 874#L1233 main_#t~ret57 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret57;havoc main_#t~ret57;assume { :begin_inline_assert } true;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 875#L1357 assume !(0 == assert_~arg % 256); 808#L1352 assume { :end_inline_assert } true;main_#t~post58 := main_~i2~0;main_~i2~0 := 1 + main_#t~post58;havoc main_#t~post58; 762#L1314-3 [2018-11-18 08:34:38,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:38,609 INFO L82 PathProgramCache]: Analyzing trace with hash 15555676, now seen corresponding path program 2 times [2018-11-18 08:34:38,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:38,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:38,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:38,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:38,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:38,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:38,702 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 08:34:38,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:38,702 INFO L82 PathProgramCache]: Analyzing trace with hash 323529167, now seen corresponding path program 1 times [2018-11-18 08:34:38,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:38,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:38,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,703 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:38,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:38,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:38,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:38,735 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:38,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:38,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:38,735 INFO L87 Difference]: Start difference. First operand 317 states and 563 transitions. cyclomatic complexity: 247 Second operand 3 states. [2018-11-18 08:34:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:38,786 INFO L93 Difference]: Finished difference Result 414 states and 718 transitions. [2018-11-18 08:34:38,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:38,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 414 states and 718 transitions. [2018-11-18 08:34:38,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2018-11-18 08:34:38,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 414 states to 414 states and 718 transitions. [2018-11-18 08:34:38,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 414 [2018-11-18 08:34:38,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 414 [2018-11-18 08:34:38,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 414 states and 718 transitions. [2018-11-18 08:34:38,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:38,795 INFO L705 BuchiCegarLoop]: Abstraction has 414 states and 718 transitions. [2018-11-18 08:34:38,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states and 718 transitions. [2018-11-18 08:34:38,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2018-11-18 08:34:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-11-18 08:34:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 718 transitions. [2018-11-18 08:34:38,809 INFO L728 BuchiCegarLoop]: Abstraction has 414 states and 718 transitions. [2018-11-18 08:34:38,809 INFO L608 BuchiCegarLoop]: Abstraction has 414 states and 718 transitions. [2018-11-18 08:34:38,809 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:38,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 414 states and 718 transitions. [2018-11-18 08:34:38,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2018-11-18 08:34:38,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:38,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:38,813 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, 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] [2018-11-18 08:34:38,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:38,814 INFO L794 eck$LassoCheckResult]: Stem: 1616#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0;~nomsg~0 := -1;~p12~0 := 0;~p13~0 := 0;~p14~0 := 0;~p21~0 := 0;~p23~0 := 0;~p24~0 := 0;~p31~0 := 0;~p32~0 := 0;~p34~0 := 0;~p41~0 := 0;~p42~0 := 0;~p43~0 := 0;~nodes~0.base, ~nodes~0.offset := ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.base(), ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.offset();~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]; 1427#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc 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~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~ret56, main_#t~ret57, main_#t~post58, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet12;havoc main_#t~nondet12;~ep13~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep14~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep24~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep31~0 := main_#t~nondet18;havoc main_#t~nondet18;~ep32~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep34~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep41~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep42~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep43~0 := main_#t~nondet23;havoc main_#t~nondet23;~id1~0 := main_#t~nondet24;havoc main_#t~nondet24;~r1~0 := main_#t~nondet25;havoc main_#t~nondet25;~st1~0 := main_#t~nondet26;havoc main_#t~nondet26;~nl1~0 := main_#t~nondet27;havoc main_#t~nondet27;~m1~0 := main_#t~nondet28;havoc main_#t~nondet28;~max1~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode1~0 := main_#t~nondet30;havoc main_#t~nondet30;~newmax1~0 := main_#t~nondet31;havoc main_#t~nondet31;~id2~0 := main_#t~nondet32;havoc main_#t~nondet32;~r2~0 := main_#t~nondet33;havoc main_#t~nondet33;~st2~0 := main_#t~nondet34;havoc main_#t~nondet34;~nl2~0 := main_#t~nondet35;havoc main_#t~nondet35;~m2~0 := main_#t~nondet36;havoc main_#t~nondet36;~max2~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode2~0 := main_#t~nondet38;havoc main_#t~nondet38;~newmax2~0 := main_#t~nondet39;havoc main_#t~nondet39;~id3~0 := main_#t~nondet40;havoc main_#t~nondet40;~r3~0 := main_#t~nondet41;havoc main_#t~nondet41;~st3~0 := main_#t~nondet42;havoc main_#t~nondet42;~nl3~0 := main_#t~nondet43;havoc main_#t~nondet43;~m3~0 := main_#t~nondet44;havoc main_#t~nondet44;~max3~0 := main_#t~nondet45;havoc main_#t~nondet45;~mode3~0 := main_#t~nondet46;havoc main_#t~nondet46;~newmax3~0 := main_#t~nondet47;havoc main_#t~nondet47;~id4~0 := main_#t~nondet48;havoc main_#t~nondet48;~r4~0 := main_#t~nondet49;havoc main_#t~nondet49;~st4~0 := main_#t~nondet50;havoc main_#t~nondet50;~nl4~0 := main_#t~nondet51;havoc main_#t~nondet51;~m4~0 := main_#t~nondet52;havoc main_#t~nondet52;~max4~0 := main_#t~nondet53;havoc main_#t~nondet53;~mode4~0 := main_#t~nondet54;havoc main_#t~nondet54;~newmax4~0 := main_#t~nondet55;havoc main_#t~nondet55;assume { :begin_inline_init } true;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 1428#L484 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1451#L495 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1445#L505 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1441#L516 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1442#L526 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1480#L537 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1720#L547 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1704#L558 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1701#L568 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1596#L579 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1594#L589 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1417#L600 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1414#L610 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1409#L621 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1410#L631 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1408#L642 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1530#L652 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1528#L663 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1687#L673 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1564#L684 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1560#L694 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1435#L705 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1559#L715 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1500#L726 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1496#L736 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1494#L747 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1495#L757 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1492#L768 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1671#L778 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1554#L789 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1670#L799 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1614#L810 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1612#L820 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1433#L831 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1429#L841 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1425#L852 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1426#L862 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1469#L873 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1537#L883 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1692#L894 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1688#L904 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1575#L915 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1573#L925 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1455#L936 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1572#L946 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1522#L957 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1516#L967 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1512#L978 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1513#L988 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1423#L988-1 init_#res := init_~tmp___23~0; 1565#L1173 main_#t~ret56 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret56;havoc main_#t~ret56;assume 0 != main_~i2~0;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 1566#L1314-3 [2018-11-18 08:34:38,814 INFO L796 eck$LassoCheckResult]: Loop: 1566#L1314-3 assume true; 1736#L1314-1 assume !!(main_~i2~0 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_#t~ite1, node1_#t~ite2, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1735#L156 assume !(0 != ~mode1~0 % 256); 1734#L192 assume ~r1~0 < 3; 1577#L193 assume !(0 != ~ep12~0 % 256); 1569#L193-1 assume !(0 != ~ep13~0 % 256); 1570#L198 assume !(0 != ~ep14~0 % 256); 1581#L192-1 ~mode1~0 := 1; 1694#L156-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite3, node2_#t~ite4, node2_#t~ite5, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1790#L220 assume !(0 != ~mode2~0 % 256); 1778#L256 assume !(~r2~0 < 3); 1777#L256-1 ~mode2~0 := 1; 1775#L220-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6, node3_#t~ite7, node3_#t~ite8, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1773#L284 assume !(0 != ~mode3~0 % 256); 1772#L320 assume !(~r3~0 < 3); 1768#L320-1 ~mode3~0 := 1; 1766#L284-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite9, node4_#t~ite10, node4_#t~ite11, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 1761#L348 assume !(0 != ~mode4~0 % 256); 1756#L384 assume !(~r4~0 < 3); 1750#L384-1 ~mode4~0 := 1; 1748#L348-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1747#L1181 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1746#L1182 assume ~st1~0 + ~nl1~0 <= 1; 1745#L1183 assume ~st2~0 + ~nl2~0 <= 1; 1744#L1184 assume ~st3~0 + ~nl3~0 <= 1; 1743#L1185 assume ~st4~0 + ~nl4~0 <= 1; 1742#L1186 assume !(~r1~0 >= 3); 1619#L1189 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1620#L1190 assume ~r1~0 < 3; 1741#L1195 assume !(~r1~0 >= 3); 1437#L1199 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1438#L1200 assume ~r1~0 < 3;check_~tmp~1 := 1; 1740#L1181-1 check_#res := check_~tmp~1; 1739#L1233 main_#t~ret57 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret57;havoc main_#t~ret57;assume { :begin_inline_assert } true;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1738#L1357 assume !(0 == assert_~arg % 256); 1737#L1352 assume { :end_inline_assert } true;main_#t~post58 := main_~i2~0;main_~i2~0 := 1 + main_#t~post58;havoc main_#t~post58; 1566#L1314-3 [2018-11-18 08:34:38,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:38,815 INFO L82 PathProgramCache]: Analyzing trace with hash 15555676, now seen corresponding path program 3 times [2018-11-18 08:34:38,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:38,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:38,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:38,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:38,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:38,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:38,888 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 08:34:38,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:38,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1433143412, now seen corresponding path program 1 times [2018-11-18 08:34:38,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:38,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:38,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,890 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:38,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:39,245 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2018-11-18 08:34:39,392 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-11-18 08:34:39,399 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:34:39,400 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:34:39,400 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:34:39,400 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:34:39,400 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:34:39,404 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:39,405 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:34:39,405 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:34:39,405 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-18 08:34:39,405 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:34:39,405 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:34:39,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:39,989 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:34:39,990 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:40,002 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:34:40,002 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:34:40,007 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 08:34:40,007 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node4_~newmax~3=0} Honda state: {ULTIMATE.start_node4_~newmax~3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:40,025 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:34:40,025 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b15a009a-cd59-4ad5-a7f0-5b78a68a6e8c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:40,043 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:34:40,043 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:34:40,146 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:34:40,147 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:34:40,147 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:34:40,147 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:34:40,147 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:34:40,147 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:34:40,148 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:40,148 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:34:40,148 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:34:40,148 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-18 08:34:40,148 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:34:40,148 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:34:40,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:40,744 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:34:40,748 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:34:40,750 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 [2018-11-18 08:34:40,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,750 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,753 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,758 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 [2018-11-18 08:34:40,759 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,759 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,760 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,764 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 [2018-11-18 08:34:40,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,765 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,766 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:40,767 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:40,768 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,768 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 [2018-11-18 08:34:40,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,769 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,772 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,773 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 [2018-11-18 08:34:40,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,775 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,775 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,775 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,776 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,776 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 [2018-11-18 08:34:40,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,777 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,777 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,777 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,778 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,778 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 [2018-11-18 08:34:40,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,779 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,779 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,780 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 [2018-11-18 08:34:40,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,781 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,781 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:40,782 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:40,783 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:40,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,784 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,785 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,785 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,786 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,787 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 [2018-11-18 08:34:40,787 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,787 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,787 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,787 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,788 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:40,788 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:40,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,791 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 [2018-11-18 08:34:40,791 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,791 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,791 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,791 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,792 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 [2018-11-18 08:34:40,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,793 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,793 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,794 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,794 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 [2018-11-18 08:34:40,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,795 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,795 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,796 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 [2018-11-18 08:34:40,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,797 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,798 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 [2018-11-18 08:34:40,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,799 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,800 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:40,800 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:40,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,802 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 [2018-11-18 08:34:40,802 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,803 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,803 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,804 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 [2018-11-18 08:34:40,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,808 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:40,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,812 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,813 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 [2018-11-18 08:34:40,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,814 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,815 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 [2018-11-18 08:34:40,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,816 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:40,817 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 [2018-11-18 08:34:40,817 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:40,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:40,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:40,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:40,818 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:40,818 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:40,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:40,819 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:34:40,820 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:34:40,820 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:34:40,822 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:34:40,822 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:34:40,822 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:34:40,823 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2018-11-18 08:34:40,823 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:34:40,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:40,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:40,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:40,970 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 [2018-11-18 08:34:40,970 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 414 states and 718 transitions. cyclomatic complexity: 305 Second operand 4 states. [2018-11-18 08:34:41,033 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 414 states and 718 transitions. cyclomatic complexity: 305. Second operand 4 states. Result 633 states and 1076 transitions. Complement of second has 6 states. [2018-11-18 08:34:41,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 08:34:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 08:34:41,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 563 transitions. [2018-11-18 08:34:41,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 563 transitions. Stem has 53 letters. Loop has 36 letters. [2018-11-18 08:34:41,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:34:41,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 563 transitions. Stem has 89 letters. Loop has 36 letters. [2018-11-18 08:34:41,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:34:41,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 563 transitions. Stem has 53 letters. Loop has 72 letters. [2018-11-18 08:34:41,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:34:41,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 1076 transitions. [2018-11-18 08:34:41,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:34:41,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 0 states and 0 transitions. [2018-11-18 08:34:41,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 08:34:41,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 08:34:41,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 08:34:41,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:41,047 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:41,047 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:41,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:41,047 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2018-11-18 08:34:41,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:41,048 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 08:34:41,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:34:41,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 08:34:41,048 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:34:41,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:34:41,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 08:34:41,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 08:34:41,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 08:34:41,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:41,053 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:41,053 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:41,053 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:41,053 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 08:34:41,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:34:41,054 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:34:41,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 08:34:41,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:34:41 BoogieIcfgContainer [2018-11-18 08:34:41,059 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:34:41,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:41,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:41,060 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:41,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:38" (3/4) ... [2018-11-18 08:34:41,063 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 08:34:41,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:41,064 INFO L168 Benchmark]: Toolchain (without parser) took 4343.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.1 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -273.8 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:41,064 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:41,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:41,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.64 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:41,066 INFO L168 Benchmark]: Boogie Preprocessor took 38.84 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:41,066 INFO L168 Benchmark]: RCFGBuilder took 871.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:41,067 INFO L168 Benchmark]: BuchiAutomizer took 3037.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -226.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:41,067 INFO L168 Benchmark]: Witness Printer took 3.67 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:41,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.64 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.84 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 871.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3037.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -226.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.67 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 414 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1697 SDtfs, 902 SDslu, 2457 SDs, 0 SdLazy, 36 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax122 hnf105 lsp27 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 3ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...