./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/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 73fdf555f3f5e47d818d7f4214b9add97d75e1b5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:45:03,070 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:45:03,071 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:45:03,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:45:03,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:45:03,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:45:03,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:45:03,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:45:03,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:45:03,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:45:03,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:45:03,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:45:03,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:45:03,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:45:03,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:45:03,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:45:03,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:45:03,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:45:03,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:45:03,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:45:03,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:45:03,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:45:03,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:45:03,095 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:45:03,095 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:45:03,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:45:03,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:45:03,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:45:03,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:45:03,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:45:03,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:45:03,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:45:03,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:45:03,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:45:03,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:45:03,100 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:45:03,100 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 23:45:03,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:45:03,112 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:45:03,113 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:45:03,113 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:45:03,113 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:45:03,113 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:45:03,113 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:45:03,113 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:45:03,114 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:45:03,114 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:45:03,114 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:45:03,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:45:03,114 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:45:03,114 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:45:03,114 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:45:03,115 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:45:03,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:45:03,115 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:45:03,115 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:45:03,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:45:03,115 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:45:03,116 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:45:03,116 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:45:03,116 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:45:03,116 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:45:03,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:45:03,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:45:03,116 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:45:03,117 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:45:03,117 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:45:03,117 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:45:03,118 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:45:03,118 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_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/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 -> 73fdf555f3f5e47d818d7f4214b9add97d75e1b5 [2018-11-22 23:45:03,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:45:03,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:45:03,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:45:03,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:45:03,155 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:45:03,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c [2018-11-22 23:45:03,202 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/data/28ccad327/5eda4a1549ee4d189bda9c51fa7734b2/FLAG3e2afb5fd [2018-11-22 23:45:03,587 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:45:03,587 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c [2018-11-22 23:45:03,596 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/data/28ccad327/5eda4a1549ee4d189bda9c51fa7734b2/FLAG3e2afb5fd [2018-11-22 23:45:03,961 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/bin-2019/uautomizer/data/28ccad327/5eda4a1549ee4d189bda9c51fa7734b2 [2018-11-22 23:45:03,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:45:03,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:45:03,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:45:03,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:45:03,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:45:03,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:45:03" (1/1) ... [2018-11-22 23:45:03,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:03, skipping insertion in model container [2018-11-22 23:45:03,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:45:03" (1/1) ... [2018-11-22 23:45:03,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:45:04,008 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:45:04,209 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:45:04,217 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:45:04,268 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:45:04,328 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:45:04,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04 WrapperNode [2018-11-22 23:45:04,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:45:04,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:45:04,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:45:04,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:45:04,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:45:04,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:45:04,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:45:04,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:45:04,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... [2018-11-22 23:45:04,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:45:04,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:45:04,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:45:04,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:45:04,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/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 [2018-11-22 23:45:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:45:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:45:05,328 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:45:05,328 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-11-22 23:45:05,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:45:05 BoogieIcfgContainer [2018-11-22 23:45:05,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:45:05,329 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:45:05,329 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:45:05,331 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:45:05,332 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:45:05,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:45:03" (1/3) ... [2018-11-22 23:45:05,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a08faa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:45:05, skipping insertion in model container [2018-11-22 23:45:05,333 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:45:05,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:45:04" (2/3) ... [2018-11-22 23:45:05,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a08faa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:45:05, skipping insertion in model container [2018-11-22 23:45:05,333 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:45:05,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:45:05" (3/3) ... [2018-11-22 23:45:05,335 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c [2018-11-22 23:45:05,368 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:45:05,368 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:45:05,368 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:45:05,368 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:45:05,368 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:45:05,369 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:45:05,369 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:45:05,369 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:45:05,369 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:45:05,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states. [2018-11-22 23:45:05,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2018-11-22 23:45:05,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:45:05,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:45:05,422 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] [2018-11-22 23:45:05,422 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:45:05,422 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:45:05,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states. [2018-11-22 23:45:05,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2018-11-22 23:45:05,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:45:05,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:45:05,432 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] [2018-11-22 23:45:05,432 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:45:05,439 INFO L794 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRYtrue ~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 := ~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]; 13#L-1true 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;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; 118#L484true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 130#L495true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 21#L505true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 19#L516true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 236#L526true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 235#L537true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 294#L547true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 293#L558true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 201#L568true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 200#L579true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 99#L589true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 98#L600true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 8#L610true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 6#L621true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 61#L631true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 60#L642true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 279#L652true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 278#L663true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 179#L673true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 177#L684true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 78#L694true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 77#L705true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 138#L715true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 137#L726true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 44#L736true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 43#L747true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 261#L757true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 260#L768true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 167#L778true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 166#L789true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 227#L799true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 225#L810true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 111#L820true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 126#L831true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 15#L841true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 14#L852true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 66#L862true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 64#L873true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 284#L883true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 283#L894true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 185#L904true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 184#L915true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 84#L925true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 83#L936true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 149#L946true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 147#L957true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 53#L967true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 51#L978true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 271#L988true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 273#L988-1true init_#res := init_~tmp___23~0; 309#L1125true main_#t~ret56 := init_#res;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; 115#L1266-2true [2018-11-22 23:45:05,439 INFO L796 eck$LassoCheckResult]: Loop: 115#L1266-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_#t~ite2, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 298#L156true assume !(0 != ~mode1~0 % 256); 145#L192true assume !(~r1~0 < 3); 140#L192-1true ~mode1~0 := 1; 292#L156-2true havoc node2_#t~ite3, node2_#t~ite4, node2_#t~ite5, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 103#L220true assume !(0 != ~mode2~0 % 256); 264#L256true assume !(~r2~0 < 3); 263#L256-1true ~mode2~0 := 1; 94#L220-2true havoc node3_#t~ite6, node3_#t~ite7, node3_#t~ite8, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 62#L284true assume !(0 != ~mode3~0 % 256); 224#L320true assume !(~r3~0 < 3); 228#L320-1true ~mode3~0 := 1; 57#L284-2true havoc node4_#t~ite9, node4_#t~ite10, node4_#t~ite11, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 192#L348true assume !(0 != ~mode4~0 % 256); 28#L384true assume !(~r4~0 < 3); 32#L384-1true ~mode4~0 := 1; 198#L348-2true ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 5#L1133true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 12#L1133-1true check_#res := check_~tmp~1; 178#L1185true main_#t~ret57 := check_#res;main_~c1~0 := main_#t~ret57;havoc main_#t~ret57;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 17#L1309true assume !(0 == assert_~arg % 256); 135#L1304true main_#t~post58 := main_~i2~0;main_~i2~0 := 1 + main_#t~post58;havoc main_#t~post58; 115#L1266-2true [2018-11-22 23:45:05,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:05,445 INFO L82 PathProgramCache]: Analyzing trace with hash 15484180, now seen corresponding path program 1 times [2018-11-22 23:45:05,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:45:05,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:45:05,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:45:05,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:45:05,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:45:05,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:45:05,670 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-22 23:45:05,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:05,670 INFO L82 PathProgramCache]: Analyzing trace with hash -39238187, now seen corresponding path program 1 times [2018-11-22 23:45:05,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:45:05,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:45:05,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:45:05,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:45:05,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:45:05,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 23:45:05,740 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-22 23:45:05,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 23:45:05,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 23:45:05,751 INFO L87 Difference]: Start difference. First operand 309 states. Second operand 5 states. [2018-11-22 23:45:05,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:45:05,855 INFO L93 Difference]: Finished difference Result 313 states and 555 transitions. [2018-11-22 23:45:05,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-22 23:45:05,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 313 states and 555 transitions. [2018-11-22 23:45:05,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2018-11-22 23:45:05,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 313 states to 304 states and 538 transitions. [2018-11-22 23:45:05,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 304 [2018-11-22 23:45:05,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 304 [2018-11-22 23:45:05,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 304 states and 538 transitions. [2018-11-22 23:45:05,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:45:05,875 INFO L705 BuchiCegarLoop]: Abstraction has 304 states and 538 transitions. [2018-11-22 23:45:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states and 538 transitions. [2018-11-22 23:45:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2018-11-22 23:45:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-11-22 23:45:05,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 538 transitions. [2018-11-22 23:45:05,913 INFO L728 BuchiCegarLoop]: Abstraction has 304 states and 538 transitions. [2018-11-22 23:45:05,914 INFO L608 BuchiCegarLoop]: Abstraction has 304 states and 538 transitions. [2018-11-22 23:45:05,914 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 23:45:05,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 304 states and 538 transitions. [2018-11-22 23:45:05,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2018-11-22 23:45:05,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:45:05,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:45:05,919 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] [2018-11-22 23:45:05,919 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] [2018-11-22 23:45:05,919 INFO L794 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY ~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 := ~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]; 661#L-1 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;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; 662#L484 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 686#L495 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 680#L505 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 678#L516 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 679#L526 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 714#L537 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 930#L547 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 913#L558 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 911#L568 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 820#L579 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 818#L589 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 654#L600 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 651#L610 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 649#L621 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 650#L631 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 643#L642 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 758#L652 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 757#L663 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 902#L673 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 789#L684 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 787#L694 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 673#L705 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 786#L715 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 732#L726 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 728#L736 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 726#L747 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 727#L757 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 725#L768 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 889#L778 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 781#L789 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 888#L799 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 837#L810 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 835#L820 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 669#L831 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 665#L841 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 663#L852 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 664#L862 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 704#L873 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 767#L883 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 908#L894 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 905#L904 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 799#L915 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 796#L925 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 690#L936 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 795#L946 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 751#L957 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 748#L967 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 743#L978 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 744#L988 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 676#L988-1 init_#res := init_~tmp___23~0; 938#L1125 main_#t~ret56 := init_#res;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; 840#L1266-2 [2018-11-22 23:45:05,920 INFO L796 eck$LassoCheckResult]: Loop: 840#L1266-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_#t~ite2, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 841#L156 assume !(0 != ~mode1~0 % 256); 866#L192 assume !(~r1~0 < 3); 808#L192-1 ~mode1~0 := 1; 864#L156-2 havoc node2_#t~ite3, node2_#t~ite4, node2_#t~ite5, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 822#L220 assume !(0 != ~mode2~0 % 256); 824#L256 assume !(~r2~0 < 3); 746#L256-1 ~mode2~0 := 1; 814#L220-2 havoc node3_#t~ite6, node3_#t~ite7, node3_#t~ite8, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 759#L284 assume !(0 != ~mode3~0 % 256); 761#L320 assume !(~r3~0 < 3); 883#L320-1 ~mode3~0 := 1; 753#L284-2 havoc node4_#t~ite9, node4_#t~ite10, node4_#t~ite11, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 754#L348 assume !(0 != ~mode4~0 % 256); 698#L384 assume !(~r4~0 < 3); 700#L384-1 ~mode4~0 := 1; 705#L348-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 644#L1133 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 645#L1134 assume ~st1~0 + ~nl1~0 <= 1; 816#L1135 assume ~st2~0 + ~nl2~0 <= 1; 922#L1136 assume ~st3~0 + ~nl3~0 <= 1; 935#L1137 assume ~st4~0 + ~nl4~0 <= 1; 706#L1138 assume ~r1~0 >= 3; 707#L1142 assume ~r1~0 < 3; 926#L1147 assume ~r1~0 >= 3; 791#L1152 assume ~r1~0 < 3;check_~tmp~1 := 1; 659#L1133-1 check_#res := check_~tmp~1; 660#L1185 main_#t~ret57 := check_#res;main_~c1~0 := main_#t~ret57;havoc main_#t~ret57;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 670#L1309 assume !(0 == assert_~arg % 256); 671#L1304 main_#t~post58 := main_~i2~0;main_~i2~0 := 1 + main_#t~post58;havoc main_#t~post58; 840#L1266-2 [2018-11-22 23:45:05,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:05,920 INFO L82 PathProgramCache]: Analyzing trace with hash 15484180, now seen corresponding path program 2 times [2018-11-22 23:45:05,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:45:05,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:45:05,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:45:05,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:45:05,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:45:05,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:45:05,996 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-22 23:45:05,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:05,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1893698084, now seen corresponding path program 1 times [2018-11-22 23:45:05,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:45:05,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:45:05,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:05,998 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:45:05,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:45:06,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:45:06,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:45:06,035 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-22 23:45:06,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:45:06,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:45:06,035 INFO L87 Difference]: Start difference. First operand 304 states and 538 transitions. cyclomatic complexity: 235 Second operand 3 states. [2018-11-22 23:45:06,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:45:06,097 INFO L93 Difference]: Finished difference Result 401 states and 693 transitions. [2018-11-22 23:45:06,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:45:06,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 401 states and 693 transitions. [2018-11-22 23:45:06,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2018-11-22 23:45:06,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 401 states to 401 states and 693 transitions. [2018-11-22 23:45:06,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 401 [2018-11-22 23:45:06,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 401 [2018-11-22 23:45:06,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 401 states and 693 transitions. [2018-11-22 23:45:06,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:45:06,107 INFO L705 BuchiCegarLoop]: Abstraction has 401 states and 693 transitions. [2018-11-22 23:45:06,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states and 693 transitions. [2018-11-22 23:45:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-11-22 23:45:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-11-22 23:45:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 693 transitions. [2018-11-22 23:45:06,120 INFO L728 BuchiCegarLoop]: Abstraction has 401 states and 693 transitions. [2018-11-22 23:45:06,120 INFO L608 BuchiCegarLoop]: Abstraction has 401 states and 693 transitions. [2018-11-22 23:45:06,120 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-22 23:45:06,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 401 states and 693 transitions. [2018-11-22 23:45:06,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2018-11-22 23:45:06,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:45:06,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:45:06,125 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] [2018-11-22 23:45:06,125 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] [2018-11-22 23:45:06,125 INFO L794 eck$LassoCheckResult]: Stem: 1551#ULTIMATE.startENTRY ~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 := ~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]; 1376#L-1 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;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; 1377#L484 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1399#L495 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1393#L505 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1391#L516 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1392#L526 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1426#L537 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1650#L547 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1632#L558 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1629#L568 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1532#L579 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1530#L589 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1367#L600 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1364#L610 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1362#L621 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1363#L631 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1356#L642 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1470#L652 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1469#L663 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1615#L673 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1501#L684 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1499#L694 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1386#L705 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1498#L715 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1444#L726 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1440#L736 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1438#L747 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1439#L757 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1436#L768 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1602#L778 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1493#L789 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1601#L799 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1549#L810 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1547#L820 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1382#L831 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1378#L841 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1374#L852 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1375#L862 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1417#L873 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1477#L883 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1623#L894 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1619#L904 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1510#L915 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1508#L925 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1403#L936 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1507#L946 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1463#L957 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1457#L967 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1453#L978 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1454#L988 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1389#L988-1 init_#res := init_~tmp___23~0; 1660#L1125 main_#t~ret56 := init_#res;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; 1665#L1266-2 [2018-11-22 23:45:06,126 INFO L796 eck$LassoCheckResult]: Loop: 1665#L1266-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_#t~ite2, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1668#L156 assume !(0 != ~mode1~0 % 256); 1667#L192 assume ~r1~0 < 3; 1512#L193 assume !(0 != ~ep12~0 % 256); 1504#L193-1 assume !(0 != ~ep13~0 % 256); 1505#L198 assume !(0 != ~ep14~0 % 256); 1517#L192-1 ~mode1~0 := 1; 1730#L156-2 havoc node2_#t~ite3, node2_#t~ite4, node2_#t~ite5, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1727#L220 assume !(0 != ~mode2~0 % 256); 1723#L256 assume !(~r2~0 < 3); 1718#L256-1 ~mode2~0 := 1; 1716#L220-2 havoc node3_#t~ite6, node3_#t~ite7, node3_#t~ite8, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1714#L284 assume !(0 != ~mode3~0 % 256); 1715#L320 assume !(~r3~0 < 3); 1648#L320-1 ~mode3~0 := 1; 1465#L284-2 havoc node4_#t~ite9, node4_#t~ite10, node4_#t~ite11, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 1466#L348 assume !(0 != ~mode4~0 % 256); 1411#L384 assume !(~r4~0 < 3); 1413#L384-1 ~mode4~0 := 1; 1418#L348-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1357#L1133 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1358#L1134 assume ~st1~0 + ~nl1~0 <= 1; 1528#L1135 assume ~st2~0 + ~nl2~0 <= 1; 1640#L1136 assume ~st3~0 + ~nl3~0 <= 1; 1655#L1137 assume ~st4~0 + ~nl4~0 <= 1; 1656#L1138 assume !(~r1~0 >= 3); 1616#L1141 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1617#L1142 assume ~r1~0 < 3; 1666#L1147 assume !(~r1~0 >= 3); 1502#L1151 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1503#L1152 assume ~r1~0 < 3;check_~tmp~1 := 1; 1672#L1133-1 check_#res := check_~tmp~1; 1671#L1185 main_#t~ret57 := check_#res;main_~c1~0 := main_#t~ret57;havoc main_#t~ret57;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1670#L1309 assume !(0 == assert_~arg % 256); 1669#L1304 main_#t~post58 := main_~i2~0;main_~i2~0 := 1 + main_#t~post58;havoc main_#t~post58; 1665#L1266-2 [2018-11-22 23:45:06,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:06,126 INFO L82 PathProgramCache]: Analyzing trace with hash 15484180, now seen corresponding path program 3 times [2018-11-22 23:45:06,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:45:06,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:45:06,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:06,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:45:06,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:45:06,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:45:06,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:45:06,184 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-22 23:45:06,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:06,184 INFO L82 PathProgramCache]: Analyzing trace with hash 623773262, now seen corresponding path program 1 times [2018-11-22 23:45:06,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:45:06,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:45:06,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:06,186 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:45:06,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:45:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:45:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:45:06,623 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2018-11-22 23:45:06,778 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-11-22 23:45:06,789 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:45:06,790 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:45:06,790 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:45:06,790 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:45:06,790 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:45:06,790 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:45:06,790 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:45:06,790 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:45:06,791 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-22 23:45:06,791 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:45:06,791 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:45:06,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:06,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,376 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:45:07,377 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/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 [2018-11-22 23:45:07,389 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:45:07,389 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:45:07,398 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:45:07,399 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_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/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 [2018-11-22 23:45:07,414 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:45:07,414 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86d5d6c0-8b4f-4ea2-af98-4cf919fba6ec/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 [2018-11-22 23:45:07,431 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:45:07,431 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:45:07,516 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:45:07,517 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:45:07,517 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:45:07,517 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:45:07,517 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:45:07,517 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:45:07,517 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:45:07,518 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:45:07,518 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:45:07,518 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4_false-unreach-call.1.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-22 23:45:07,518 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:45:07,518 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:45:07,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:45:07,838 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-11-22 23:45:08,119 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:45:08,124 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:45:08,125 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 [2018-11-22 23:45:08,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,128 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,128 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,132 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 [2018-11-22 23:45:08,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,133 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:45:08,136 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,138 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:45:08,138 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:45:08,140 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,140 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 [2018-11-22 23:45:08,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,141 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,142 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 [2018-11-22 23:45:08,142 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,142 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,143 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,143 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,143 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,144 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 [2018-11-22 23:45:08,144 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,145 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,145 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,146 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 [2018-11-22 23:45:08,147 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,148 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,149 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 [2018-11-22 23:45:08,149 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,149 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,150 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:45:08,151 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:45:08,152 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,153 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 [2018-11-22 23:45:08,153 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,153 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,154 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,154 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,156 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,156 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 [2018-11-22 23:45:08,156 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,157 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,158 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:45:08,158 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:45:08,160 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,160 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 [2018-11-22 23:45:08,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,161 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,161 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,161 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,161 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,162 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,162 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 [2018-11-22 23:45:08,163 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,163 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,163 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,163 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,164 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 [2018-11-22 23:45:08,165 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,165 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,165 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,165 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,165 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,166 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 [2018-11-22 23:45:08,166 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,167 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,167 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,168 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:45:08,168 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,170 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:45:08,170 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:45:08,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,172 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 [2018-11-22 23:45:08,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,172 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,173 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,174 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 [2018-11-22 23:45:08,174 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,174 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,174 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,177 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,178 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,181 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 [2018-11-22 23:45:08,181 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,182 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,182 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,182 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,183 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,183 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 [2018-11-22 23:45:08,183 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,183 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,184 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,184 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,184 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,184 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,185 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 [2018-11-22 23:45:08,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,185 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,186 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:45:08,187 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 [2018-11-22 23:45:08,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:45:08,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:45:08,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:45:08,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:45:08,187 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:45:08,188 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:45:08,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:45:08,189 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 23:45:08,191 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 23:45:08,191 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-22 23:45:08,192 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 23:45:08,192 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 23:45:08,193 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 23:45:08,193 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2018-11-22 23:45:08,194 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 23:45:08,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:45:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:08,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:45:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:45:08,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:45:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:45:08,322 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 [2018-11-22 23:45:08,323 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 401 states and 693 transitions. cyclomatic complexity: 293 Second operand 3 states. [2018-11-22 23:45:08,380 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 401 states and 693 transitions. cyclomatic complexity: 293. Second operand 3 states. Result 619 states and 1050 transitions. Complement of second has 4 states. [2018-11-22 23:45:08,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-22 23:45:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-22 23:45:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2018-11-22 23:45:08,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 538 transitions. Stem has 53 letters. Loop has 35 letters. [2018-11-22 23:45:08,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:45:08,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 538 transitions. Stem has 88 letters. Loop has 35 letters. [2018-11-22 23:45:08,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:45:08,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 538 transitions. Stem has 53 letters. Loop has 70 letters. [2018-11-22 23:45:08,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:45:08,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 619 states and 1050 transitions. [2018-11-22 23:45:08,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:45:08,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 619 states to 0 states and 0 transitions. [2018-11-22 23:45:08,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 23:45:08,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 23:45:08,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 23:45:08,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:45:08,392 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:45:08,392 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:45:08,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:45:08,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:45:08,392 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2018-11-22 23:45:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:45:08,392 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-22 23:45:08,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:45:08,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-22 23:45:08,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:45:08,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:45:08,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 23:45:08,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 23:45:08,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 23:45:08,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:45:08,393 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:45:08,393 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:45:08,393 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:45:08,394 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-22 23:45:08,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:45:08,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:45:08,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 23:45:08,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 11:45:08 BoogieIcfgContainer [2018-11-22 23:45:08,400 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 23:45:08,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:45:08,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:45:08,400 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:45:08,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:45:05" (3/4) ... [2018-11-22 23:45:08,404 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 23:45:08,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:45:08,404 INFO L168 Benchmark]: Toolchain (without parser) took 4440.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 956.6 MB in the beginning and 891.7 MB in the end (delta: 64.9 MB). Peak memory consumption was 248.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:45:08,405 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:45:08,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:45:08,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.76 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:45:08,407 INFO L168 Benchmark]: Boogie Preprocessor took 37.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:45:08,407 INFO L168 Benchmark]: RCFGBuilder took 922.53 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: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:45:08,407 INFO L168 Benchmark]: BuchiAutomizer took 3070.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 891.7 MB in the end (delta: 110.4 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:45:08,408 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 1.2 GB. Free memory is still 891.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:45:08,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.76 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 922.53 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: 110.4 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3070.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 891.7 MB in the end (delta: 110.4 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 ms. Allocated memory is still 1.2 GB. Free memory is still 891.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 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 401 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1622 SDtfs, 879 SDslu, 2353 SDs, 0 SdLazy, 35 SolverSat, 19 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...