./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.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_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/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 c9907cb75ed84c11388be65b346c48a42942e3a6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:50:55,365 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:50:55,366 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:50:55,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:50:55,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:50:55,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:50:55,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:50:55,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:50:55,378 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:50:55,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:50:55,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:50:55,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:50:55,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:50:55,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:50:55,381 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:50:55,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:50:55,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:50:55,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:50:55,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:50:55,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:50:55,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:50:55,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:50:55,388 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:50:55,388 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:50:55,388 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:50:55,389 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:50:55,390 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:50:55,390 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:50:55,391 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:50:55,391 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:50:55,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:50:55,392 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:50:55,392 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:50:55,392 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:50:55,393 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:50:55,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:50:55,394 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 03:50:55,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:50:55,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:50:55,404 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:50:55,405 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:50:55,405 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:50:55,405 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 03:50:55,405 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 03:50:55,405 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 03:50:55,405 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 03:50:55,405 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 03:50:55,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:50:55,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:50:55,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 03:50:55,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:50:55,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:50:55,408 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 03:50:55,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:50:55,408 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:50:55,408 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 03:50:55,409 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 03:50:55,409 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_97963e5b-21fb-4b50-a39f-85242c78d0ca/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 -> c9907cb75ed84c11388be65b346c48a42942e3a6 [2018-11-23 03:50:55,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:50:55,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:50:55,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:50:55,448 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:50:55,448 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:50:55,449 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.pals_true-termination.c [2018-11-23 03:50:55,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/data/f1ff6a1c4/e4113d9c1b6f484d8fa5071ddc033b12/FLAG3340dd253 [2018-11-23 03:50:55,936 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:50:55,936 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.pals_true-termination.c [2018-11-23 03:50:55,944 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/data/f1ff6a1c4/e4113d9c1b6f484d8fa5071ddc033b12/FLAG3340dd253 [2018-11-23 03:50:55,954 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/bin-2019/uautomizer/data/f1ff6a1c4/e4113d9c1b6f484d8fa5071ddc033b12 [2018-11-23 03:50:55,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:50:55,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:50:55,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:50:55,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:50:55,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:50:55,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:55" (1/1) ... [2018-11-23 03:50:55,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658711a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:55, skipping insertion in model container [2018-11-23 03:50:55,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:55" (1/1) ... [2018-11-23 03:50:55,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:50:55,998 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:50:56,167 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:50:56,174 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:50:56,219 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:50:56,280 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:50:56,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56 WrapperNode [2018-11-23 03:50:56,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:50:56,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:50:56,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:50:56,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:50:56,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:50:56,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:50:56,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:50:56,311 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:50:56,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... [2018-11-23 03:50:56,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:50:56,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:50:56,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:50:56,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:50:56,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/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 [2018-11-23 03:50:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:50:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:50:56,841 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:50:56,841 INFO L280 CfgBuilder]: Removed 23 assue(true) statements. [2018-11-23 03:50:56,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:56 BoogieIcfgContainer [2018-11-23 03:50:56,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:50:56,842 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 03:50:56,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 03:50:56,845 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 03:50:56,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:50:56,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:50:55" (1/3) ... [2018-11-23 03:50:56,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@256e1625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:50:56, skipping insertion in model container [2018-11-23 03:50:56,846 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:50:56,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:56" (2/3) ... [2018-11-23 03:50:56,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@256e1625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:50:56, skipping insertion in model container [2018-11-23 03:50:56,847 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:50:56,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:56" (3/3) ... [2018-11-23 03:50:56,848 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.pals_true-termination.c [2018-11-23 03:50:56,882 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:50:56,883 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 03:50:56,883 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 03:50:56,883 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 03:50:56,883 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:50:56,883 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:50:56,883 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 03:50:56,883 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:50:56,883 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 03:50:56,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states. [2018-11-23 03:50:56,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2018-11-23 03:50:56,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:50:56,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:50:56,926 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 03:50:56,927 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] [2018-11-23 03:50:56,927 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 03:50:56,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states. [2018-11-23 03:50:56,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2018-11-23 03:50:56,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:50:56,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:50:56,933 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 03:50:56,933 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] [2018-11-23 03:50:56,938 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRYtrue ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~p5~0 := 0;~send5~0 := 0;~p6~0 := 0;~send6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 12#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~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~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet11;havoc main_#t~nondet11;~id1~0 := main_#t~nondet12;havoc main_#t~nondet12;~st1~0 := main_#t~nondet13;havoc main_#t~nondet13;~send1~0 := main_#t~nondet14;havoc main_#t~nondet14;~mode1~0 := main_#t~nondet15;havoc main_#t~nondet15;~alive1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive5~0 := main_#t~nondet36;havoc main_#t~nondet36;~id6~0 := main_#t~nondet37;havoc main_#t~nondet37;~st6~0 := main_#t~nondet38;havoc main_#t~nondet38;~send6~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode6~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive6~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 15#L329true assume !(0 == ~r1~0);init_~tmp~0 := 0; 17#L329-1true init_#res := init_~tmp~0; 21#L494true main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 69#L570-2true [2018-11-23 03:50:56,939 INFO L796 eck$LassoCheckResult]: Loop: 69#L570-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 110#L126true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 65#L130true assume !(node1_~m1~0 != ~nomsg~0); 64#L130-1true ~mode1~0 := 0; 107#L126-2true havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 24#L158true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 29#L161true assume !(node2_~m2~0 != ~nomsg~0); 28#L161-1true ~mode2~0 := 0; 22#L158-2true havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 133#L192true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 120#L195true assume !(node3_~m3~0 != ~nomsg~0); 119#L195-1true ~mode3~0 := 0; 112#L192-2true havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 81#L226true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 54#L229true assume !(node4_~m4~0 != ~nomsg~0); 68#L229-1true ~mode4~0 := 0; 78#L226-2true havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 35#L260true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 11#L263true assume !(node5_~m5~0 != ~nomsg~0); 6#L263-1true ~mode5~0 := 0; 33#L260-2true havoc node6_#t~ite9, node6_#t~ite10, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 106#L294true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 100#L297true assume !(node6_~m6~0 != ~nomsg~0); 99#L297-1true ~mode6~0 := 0; 122#L294-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 45#L502true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 47#L502-1true check_#res := check_~tmp~1; 126#L514true main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 85#L603true assume !(0 == assert_~arg % 256); 58#L598true main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 69#L570-2true [2018-11-23 03:50:56,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:56,944 INFO L82 PathProgramCache]: Analyzing trace with hash 28934070, now seen corresponding path program 1 times [2018-11-23 03:50:56,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:56,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:56,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:56,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:56,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:50:57,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:57,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:50:57,080 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 03:50:57,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:57,080 INFO L82 PathProgramCache]: Analyzing trace with hash 448128979, now seen corresponding path program 1 times [2018-11-23 03:50:57,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:57,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:57,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:57,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:50:57,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:57,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:50:57,175 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 03:50:57,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:50:57,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:50:57,186 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 4 states. [2018-11-23 03:50:57,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:57,250 INFO L93 Difference]: Finished difference Result 141 states and 236 transitions. [2018-11-23 03:50:57,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:50:57,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 236 transitions. [2018-11-23 03:50:57,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2018-11-23 03:50:57,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 134 states and 189 transitions. [2018-11-23 03:50:57,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2018-11-23 03:50:57,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2018-11-23 03:50:57,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 189 transitions. [2018-11-23 03:50:57,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:50:57,263 INFO L705 BuchiCegarLoop]: Abstraction has 134 states and 189 transitions. [2018-11-23 03:50:57,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 189 transitions. [2018-11-23 03:50:57,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 03:50:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 03:50:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 189 transitions. [2018-11-23 03:50:57,294 INFO L728 BuchiCegarLoop]: Abstraction has 134 states and 189 transitions. [2018-11-23 03:50:57,294 INFO L608 BuchiCegarLoop]: Abstraction has 134 states and 189 transitions. [2018-11-23 03:50:57,294 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 03:50:57,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 189 transitions. [2018-11-23 03:50:57,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2018-11-23 03:50:57,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:50:57,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:50:57,298 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] [2018-11-23 03:50:57,298 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] [2018-11-23 03:50:57,298 INFO L794 eck$LassoCheckResult]: Stem: 423#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~p5~0 := 0;~send5~0 := 0;~p6~0 := 0;~send6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 316#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~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~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet11;havoc main_#t~nondet11;~id1~0 := main_#t~nondet12;havoc main_#t~nondet12;~st1~0 := main_#t~nondet13;havoc main_#t~nondet13;~send1~0 := main_#t~nondet14;havoc main_#t~nondet14;~mode1~0 := main_#t~nondet15;havoc main_#t~nondet15;~alive1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive5~0 := main_#t~nondet36;havoc main_#t~nondet36;~id6~0 := main_#t~nondet37;havoc main_#t~nondet37;~st6~0 := main_#t~nondet38;havoc main_#t~nondet38;~send6~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode6~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive6~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 317#L329 assume 0 == ~r1~0; 320#L330 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 391#L331 assume ~id1~0 >= 0; 314#L332 assume 0 == ~st1~0; 315#L333 assume ~send1~0 == ~id1~0; 362#L334 assume 0 == ~mode1~0 % 256; 363#L335 assume ~id2~0 >= 0; 415#L336 assume 0 == ~st2~0; 354#L337 assume ~send2~0 == ~id2~0; 355#L338 assume 0 == ~mode2~0 % 256; 395#L339 assume ~id3~0 >= 0; 318#L340 assume 0 == ~st3~0; 319#L341 assume ~send3~0 == ~id3~0; 390#L342 assume 0 == ~mode3~0 % 256; 310#L343 assume ~id4~0 >= 0; 311#L344 assume 0 == ~st4~0; 360#L345 assume ~send4~0 == ~id4~0; 361#L346 assume 0 == ~mode4~0 % 256; 414#L347 assume ~id5~0 >= 0; 351#L348 assume 0 == ~st5~0; 352#L349 assume ~send5~0 == ~id5~0; 394#L350 assume 0 == ~mode5~0 % 256; 343#L351 assume ~id6~0 >= 0; 344#L352 assume 0 == ~st6~0; 388#L353 assume ~send6~0 == ~id6~0; 308#L354 assume 0 == ~mode6~0 % 256; 309#L355 assume ~id1~0 != ~id2~0; 358#L356 assume ~id1~0 != ~id3~0; 359#L357 assume ~id1~0 != ~id4~0; 412#L358 assume ~id1~0 != ~id5~0; 349#L359 assume ~id1~0 != ~id6~0; 350#L360 assume ~id2~0 != ~id3~0; 393#L361 assume ~id2~0 != ~id4~0; 341#L362 assume ~id2~0 != ~id5~0; 342#L363 assume ~id2~0 != ~id6~0; 387#L364 assume ~id3~0 != ~id4~0; 303#L365 assume ~id3~0 != ~id5~0; 304#L366 assume ~id3~0 != ~id6~0; 384#L367 assume ~id4~0 != ~id5~0; 385#L368 assume ~id4~0 != ~id6~0; 410#L369 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 327#L329-1 init_#res := init_~tmp~0; 328#L494 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 334#L570-2 [2018-11-23 03:50:57,299 INFO L796 eck$LassoCheckResult]: Loop: 334#L570-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 400#L126 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 396#L130 assume !(node1_~m1~0 != ~nomsg~0); 330#L130-1 ~mode1~0 := 0; 383#L126-2 havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 339#L158 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 340#L161 assume !(node2_~m2~0 != ~nomsg~0); 347#L161-1 ~mode2~0 := 0; 335#L158-2 havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 336#L192 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 424#L195 assume !(node3_~m3~0 != ~nomsg~0); 299#L195-1 ~mode3~0 := 0; 404#L192-2 havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 411#L226 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 386#L229 assume !(node4_~m4~0 != ~nomsg~0); 306#L229-1 ~mode4~0 := 0; 346#L226-2 havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 357#L260 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 312#L263 assume !(node5_~m5~0 != ~nomsg~0); 301#L263-1 ~mode5~0 := 0; 302#L260-2 havoc node6_#t~ite9, node6_#t~ite10, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 353#L294 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 422#L297 assume !(node6_~m6~0 != ~nomsg~0); 325#L297-1 ~mode6~0 := 0; 399#L294-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 372#L502 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 373#L502-1 check_#res := check_~tmp~1; 378#L514 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 413#L603 assume !(0 == assert_~arg % 256); 389#L598 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 334#L570-2 [2018-11-23 03:50:57,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:57,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1302395264, now seen corresponding path program 1 times [2018-11-23 03:50:57,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:57,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:57,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:57,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:50:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:50:57,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:57,388 INFO L82 PathProgramCache]: Analyzing trace with hash 448128979, now seen corresponding path program 2 times [2018-11-23 03:50:57,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:57,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:57,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:57,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:50:57,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:57,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:50:57,458 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 03:50:57,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:50:57,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:50:57,458 INFO L87 Difference]: Start difference. First operand 134 states and 189 transitions. cyclomatic complexity: 56 Second operand 5 states. [2018-11-23 03:50:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:50:57,515 INFO L93 Difference]: Finished difference Result 137 states and 191 transitions. [2018-11-23 03:50:57,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 03:50:57,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 191 transitions. [2018-11-23 03:50:57,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2018-11-23 03:50:57,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 134 states and 187 transitions. [2018-11-23 03:50:57,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2018-11-23 03:50:57,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2018-11-23 03:50:57,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 187 transitions. [2018-11-23 03:50:57,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:50:57,520 INFO L705 BuchiCegarLoop]: Abstraction has 134 states and 187 transitions. [2018-11-23 03:50:57,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 187 transitions. [2018-11-23 03:50:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 03:50:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 03:50:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 187 transitions. [2018-11-23 03:50:57,524 INFO L728 BuchiCegarLoop]: Abstraction has 134 states and 187 transitions. [2018-11-23 03:50:57,524 INFO L608 BuchiCegarLoop]: Abstraction has 134 states and 187 transitions. [2018-11-23 03:50:57,525 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 03:50:57,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 187 transitions. [2018-11-23 03:50:57,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2018-11-23 03:50:57,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:50:57,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:50:57,527 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] [2018-11-23 03:50:57,527 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:50:57,528 INFO L794 eck$LassoCheckResult]: Stem: 706#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~p5~0 := 0;~send5~0 := 0;~p6~0 := 0;~send6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 599#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~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~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet11;havoc main_#t~nondet11;~id1~0 := main_#t~nondet12;havoc main_#t~nondet12;~st1~0 := main_#t~nondet13;havoc main_#t~nondet13;~send1~0 := main_#t~nondet14;havoc main_#t~nondet14;~mode1~0 := main_#t~nondet15;havoc main_#t~nondet15;~alive1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive5~0 := main_#t~nondet36;havoc main_#t~nondet36;~id6~0 := main_#t~nondet37;havoc main_#t~nondet37;~st6~0 := main_#t~nondet38;havoc main_#t~nondet38;~send6~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode6~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive6~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 600#L329 assume 0 == ~r1~0; 603#L330 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 674#L331 assume ~id1~0 >= 0; 597#L332 assume 0 == ~st1~0; 598#L333 assume ~send1~0 == ~id1~0; 645#L334 assume 0 == ~mode1~0 % 256; 646#L335 assume ~id2~0 >= 0; 698#L336 assume 0 == ~st2~0; 637#L337 assume ~send2~0 == ~id2~0; 638#L338 assume 0 == ~mode2~0 % 256; 678#L339 assume ~id3~0 >= 0; 601#L340 assume 0 == ~st3~0; 602#L341 assume ~send3~0 == ~id3~0; 673#L342 assume 0 == ~mode3~0 % 256; 593#L343 assume ~id4~0 >= 0; 594#L344 assume 0 == ~st4~0; 643#L345 assume ~send4~0 == ~id4~0; 644#L346 assume 0 == ~mode4~0 % 256; 697#L347 assume ~id5~0 >= 0; 634#L348 assume 0 == ~st5~0; 635#L349 assume ~send5~0 == ~id5~0; 677#L350 assume 0 == ~mode5~0 % 256; 628#L351 assume ~id6~0 >= 0; 629#L352 assume 0 == ~st6~0; 671#L353 assume ~send6~0 == ~id6~0; 591#L354 assume 0 == ~mode6~0 % 256; 592#L355 assume ~id1~0 != ~id2~0; 641#L356 assume ~id1~0 != ~id3~0; 642#L357 assume ~id1~0 != ~id4~0; 695#L358 assume ~id1~0 != ~id5~0; 632#L359 assume ~id1~0 != ~id6~0; 633#L360 assume ~id2~0 != ~id3~0; 676#L361 assume ~id2~0 != ~id4~0; 624#L362 assume ~id2~0 != ~id5~0; 625#L363 assume ~id2~0 != ~id6~0; 670#L364 assume ~id3~0 != ~id4~0; 589#L365 assume ~id3~0 != ~id5~0; 590#L366 assume ~id3~0 != ~id6~0; 667#L367 assume ~id4~0 != ~id5~0; 668#L368 assume ~id4~0 != ~id6~0; 694#L369 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 610#L329-1 init_#res := init_~tmp~0; 611#L494 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 617#L570-2 [2018-11-23 03:50:57,528 INFO L796 eck$LassoCheckResult]: Loop: 617#L570-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 683#L126 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 679#L130 assume !(node1_~m1~0 != ~nomsg~0); 613#L130-1 ~mode1~0 := 0; 666#L126-2 havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 622#L158 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 623#L161 assume !(node2_~m2~0 != ~nomsg~0); 630#L161-1 ~mode2~0 := 0; 618#L158-2 havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 619#L192 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 707#L195 assume !(node3_~m3~0 != ~nomsg~0); 582#L195-1 ~mode3~0 := 0; 687#L192-2 havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 693#L226 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 669#L229 assume !(node4_~m4~0 != ~nomsg~0); 585#L229-1 ~mode4~0 := 0; 627#L226-2 havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 640#L260 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 595#L263 assume !(node5_~m5~0 != ~nomsg~0); 587#L263-1 ~mode5~0 := 0; 588#L260-2 havoc node6_#t~ite9, node6_#t~ite10, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 636#L294 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 705#L297 assume !(node6_~m6~0 != ~nomsg~0); 608#L297-1 ~mode6~0 := 0; 682#L294-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 655#L502 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 656#L503 assume ~r1~0 < 6;check_~tmp~1 := 1; 660#L502-1 check_#res := check_~tmp~1; 661#L514 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 696#L603 assume !(0 == assert_~arg % 256); 672#L598 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 617#L570-2 [2018-11-23 03:50:57,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:57,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1302395264, now seen corresponding path program 2 times [2018-11-23 03:50:57,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:57,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:57,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,530 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 03:50:57,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:50:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:50:57,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:57,575 INFO L82 PathProgramCache]: Analyzing trace with hash 623769500, now seen corresponding path program 1 times [2018-11-23 03:50:57,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:57,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:57,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,577 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 03:50:57,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:50:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:50:57,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:50:57,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1738677955, now seen corresponding path program 1 times [2018-11-23 03:50:57,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:50:57,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:50:57,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:50:57,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:50:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:50:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:50:57,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:50:57,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:50:58,065 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2018-11-23 03:50:58,698 WARN L180 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2018-11-23 03:50:58,706 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:50:58,706 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:50:58,707 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:50:58,707 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:50:58,707 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 03:50:58,707 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:50:58,707 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:50:58,707 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:50:58,707 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.pals_true-termination.c_Iteration3_Loop [2018-11-23 03:50:58,707 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:50:58,707 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:50:58,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:58,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,306 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:50:59,307 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/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 [2018-11-23 03:50:59,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 03:50:59,318 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97963e5b-21fb-4b50-a39f-85242c78d0ca/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 [2018-11-23 03:50:59,340 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 03:50:59,340 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 03:50:59,452 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 03:50:59,453 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 03:50:59,453 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 03:50:59,453 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 03:50:59,454 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 03:50:59,454 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 03:50:59,454 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 03:50:59,454 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 03:50:59,454 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 03:50:59,454 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6_false-unreach-call.2.ufo.BOUNDED-12.pals_true-termination.c_Iteration3_Loop [2018-11-23 03:50:59,454 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 03:50:59,454 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 03:50:59,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:50:59,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 03:51:00,045 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 03:51:00,048 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 03:51:00,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:51:00,051 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,051 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,052 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,053 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,053 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,056 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 [2018-11-23 03:51:00,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,057 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,059 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 03:51:00,059 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 03:51:00,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,060 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 [2018-11-23 03:51:00,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,061 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,062 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,062 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 [2018-11-23 03:51:00,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,064 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 03:51:00,064 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 03:51:00,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,067 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 [2018-11-23 03:51:00,067 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,067 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,068 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,070 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,070 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 [2018-11-23 03:51:00,070 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,071 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,071 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,072 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,072 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 [2018-11-23 03:51:00,072 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,073 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,073 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,074 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 [2018-11-23 03:51:00,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,075 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,076 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 03:51:00,076 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 03:51:00,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,078 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 [2018-11-23 03:51:00,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,079 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 03:51:00,079 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,080 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 03:51:00,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,083 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 [2018-11-23 03:51:00,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,085 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 03:51:00,085 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 03:51:00,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,088 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 [2018-11-23 03:51:00,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,088 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,089 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,091 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 [2018-11-23 03:51:00,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,092 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,092 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,093 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 03:51:00,093 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 03:51:00,095 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,095 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 [2018-11-23 03:51:00,096 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,096 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,096 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,096 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,096 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,096 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,097 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 [2018-11-23 03:51:00,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,099 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 03:51:00,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,101 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,101 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,101 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 03:51:00,102 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 [2018-11-23 03:51:00,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 03:51:00,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 03:51:00,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 03:51:00,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 03:51:00,103 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 03:51:00,103 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 03:51:00,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 03:51:00,105 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 03:51:00,107 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 03:51:00,108 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 03:51:00,109 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 03:51:00,109 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 03:51:00,110 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 03:51:00,110 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2018-11-23 03:51:00,111 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 03:51:00,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:00,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:51:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:00,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:51:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:51:00,220 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 [2018-11-23 03:51:00,221 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 134 states and 187 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-23 03:51:00,277 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 134 states and 187 transitions. cyclomatic complexity: 54. Second operand 3 states. Result 223 states and 330 transitions. Complement of second has 4 states. [2018-11-23 03:51:00,278 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 [2018-11-23 03:51:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 03:51:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2018-11-23 03:51:00,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 187 transitions. Stem has 45 letters. Loop has 31 letters. [2018-11-23 03:51:00,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:51:00,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 187 transitions. Stem has 76 letters. Loop has 31 letters. [2018-11-23 03:51:00,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:51:00,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 187 transitions. Stem has 45 letters. Loop has 62 letters. [2018-11-23 03:51:00,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 03:51:00,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 330 transitions. [2018-11-23 03:51:00,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:51:00,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 0 states and 0 transitions. [2018-11-23 03:51:00,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 03:51:00,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 03:51:00,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 03:51:00,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:51:00,288 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:51:00,288 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:51:00,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:51:00,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:51:00,288 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-23 03:51:00,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:51:00,288 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:51:00,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:51:00,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 03:51:00,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 03:51:00,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:51:00,289 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:51:00,289 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 03:51:00,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:51:00,290 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 03:51:00,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 03:51:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:51:00 BoogieIcfgContainer [2018-11-23 03:51:00,295 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 03:51:00,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:51:00,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:51:00,295 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:51:00,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:56" (3/4) ... [2018-11-23 03:51:00,299 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:51:00,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:51:00,300 INFO L168 Benchmark]: Toolchain (without parser) took 4342.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:00,301 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. [2018-11-23 03:51:00,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:00,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.80 ms. Allocated memory is still 1.1 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. [2018-11-23 03:51:00,302 INFO L168 Benchmark]: Boogie Preprocessor took 22.41 ms. Allocated memory is still 1.1 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. [2018-11-23 03:51:00,303 INFO L168 Benchmark]: RCFGBuilder took 508.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:00,303 INFO L168 Benchmark]: BuchiAutomizer took 3452.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -76.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:51:00,304 INFO L168 Benchmark]: Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:51:00,307 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 322.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.80 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 22.41 ms. Allocated memory is still 1.1 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 508.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3452.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -76.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 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 3.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. 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 134 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 606 SDtfs, 188 SDslu, 1118 SDs, 0 SdLazy, 22 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital347 mio100 ax121 hnf105 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...