./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/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 7d8e1a2dd98c6448f68de9ca5556d84e0578394c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:29,097 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:29,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:29,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:29,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:29,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:29,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:29,109 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:29,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:29,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:29,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:29,112 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:29,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:29,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:29,114 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:29,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:29,115 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:29,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:29,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:29,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:29,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:29,122 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:29,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:29,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:29,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:29,126 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:29,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:29,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:29,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:29,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:29,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:29,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:29,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:29,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:29,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:29,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:29,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:29,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:29,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:29,144 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:29,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:29,145 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:29,145 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:29,145 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:29,146 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:29,146 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:29,146 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:29,146 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:29,146 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:29,146 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:29,147 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:29,148 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:29,148 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:29,148 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:29,148 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:29,148 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:29,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:29,148 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:29,149 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:29,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:29,149 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:29,149 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:29,150 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:29,150 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_12c2386a-0371-4382-b12c-03646fad3659/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 -> 7d8e1a2dd98c6448f68de9ca5556d84e0578394c [2018-11-18 08:34:29,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,190 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c [2018-11-18 08:34:29,236 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/data/6f104fc23/3958592132dd4383bcb6f65308f6b617/FLAG3683ba40d [2018-11-18 08:34:29,599 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,600 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c [2018-11-18 08:34:29,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/data/6f104fc23/3958592132dd4383bcb6f65308f6b617/FLAG3683ba40d [2018-11-18 08:34:30,000 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/data/6f104fc23/3958592132dd4383bcb6f65308f6b617 [2018-11-18 08:34:30,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:30,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:30,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:30,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:30,005 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:30,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0a92f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:30,040 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:30,202 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:30,211 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:30,249 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:30,311 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:30,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30 WrapperNode [2018-11-18 08:34:30,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:30,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:30,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:30,312 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:30,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:30,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:30,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:30,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:30,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... [2018-11-18 08:34:30,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:30,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:30,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:30,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:30,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:30,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,962 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,963 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,963 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,965 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,966 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:30" (1/3) ... [2018-11-18 08:34:30,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76ddff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,967 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:30" (2/3) ... [2018-11-18 08:34:30,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76ddff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,967 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,969 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c [2018-11-18 08:34:31,003 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:31,004 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:31,004 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:31,004 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:31,004 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:31,004 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:31,004 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:31,005 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:31,005 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:31,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states. [2018-11-18 08:34:31,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2018-11-18 08:34:31,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,046 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-18 08:34:31,046 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,047 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:31,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states. [2018-11-18 08:34:31,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2018-11-18 08:34:31,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,053 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-18 08:34:31,053 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,058 INFO L794 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~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 := ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.base(), ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.offset();~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~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]; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~alive1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive4~0 := main_#t~nondet32;havoc main_#t~nondet32;~id5~0 := main_#t~nondet33;havoc main_#t~nondet33;~st5~0 := main_#t~nondet34;havoc main_#t~nondet34;~send5~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode5~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive5~0 := main_#t~nondet37;havoc main_#t~nondet37;~id6~0 := main_#t~nondet38;havoc main_#t~nondet38;~st6~0 := main_#t~nondet39;havoc main_#t~nondet39;~send6~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode6~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive6~0 := main_#t~nondet42;havoc main_#t~nondet42;assume { :begin_inline_init } true;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 8#L332true assume !(0 == ~r1~0);init_~tmp~0 := 0; 10#L332-1true init_#res := init_~tmp~0; 16#L497true main_#t~ret43 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 74#L573-3true [2018-11-18 08:34:31,059 INFO L796 eck$LassoCheckResult]: Loop: 74#L573-3true assume true; 70#L573-1true assume !!(main_~i2~0 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 116#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; 71#L130true assume !(node1_~m1~0 != ~nomsg~0); 69#L130-1true ~mode1~0 := 0; 110#L126-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 32#L161true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 19#L164true assume !(node2_~m2~0 != ~nomsg~0); 18#L164-1true ~mode2~0 := 0; 30#L161-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 126#L195true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 98#L198true assume !(node3_~m3~0 != ~nomsg~0); 93#L198-1true ~mode3~0 := 0; 123#L195-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 57#L229true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 49#L232true assume !(node4_~m4~0 != ~nomsg~0); 48#L232-1true ~mode4~0 := 0; 73#L229-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 9#L263true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 13#L266true assume !(node5_~m5~0 != ~nomsg~0); 135#L266-1true ~mode5~0 := 0; 3#L263-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite10, node6_#t~ite11, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 100#L297true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 106#L300true assume !(node6_~m6~0 != ~nomsg~0); 104#L300-1true ~mode6~0 := 0; 99#L297-2true assume { :end_inline_node6 } true;~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;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 22#L505true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 23#L505-1true check_#res := check_~tmp~1; 127#L517true main_#t~ret44 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assume { :begin_inline_assert } true;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 66#L606true assume !(0 == assert_~arg % 256); 43#L601true assume { :end_inline_assert } true;main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 74#L573-3true [2018-11-18 08:34:31,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,064 INFO L82 PathProgramCache]: Analyzing trace with hash 28934070, now seen corresponding path program 1 times [2018-11-18 08:34:31,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,205 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 08:34:31,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1608705424, now seen corresponding path program 1 times [2018-11-18 08:34:31,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:31,309 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:31,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:31,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:31,321 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 4 states. [2018-11-18 08:34:31,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,401 INFO L93 Difference]: Finished difference Result 145 states and 242 transitions. [2018-11-18 08:34:31,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:31,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 242 transitions. [2018-11-18 08:34:31,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2018-11-18 08:34:31,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 138 states and 195 transitions. [2018-11-18 08:34:31,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2018-11-18 08:34:31,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2018-11-18 08:34:31,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 195 transitions. [2018-11-18 08:34:31,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,414 INFO L705 BuchiCegarLoop]: Abstraction has 138 states and 195 transitions. [2018-11-18 08:34:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 195 transitions. [2018-11-18 08:34:31,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 08:34:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 08:34:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 195 transitions. [2018-11-18 08:34:31,441 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 195 transitions. [2018-11-18 08:34:31,441 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 195 transitions. [2018-11-18 08:34:31,441 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:31,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 195 transitions. [2018-11-18 08:34:31,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2018-11-18 08:34:31,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,444 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] [2018-11-18 08:34:31,444 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,445 INFO L794 eck$LassoCheckResult]: Stem: 431#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~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 := ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.base(), ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.offset();~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~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]; 318#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~alive1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive4~0 := main_#t~nondet32;havoc main_#t~nondet32;~id5~0 := main_#t~nondet33;havoc main_#t~nondet33;~st5~0 := main_#t~nondet34;havoc main_#t~nondet34;~send5~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode5~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive5~0 := main_#t~nondet37;havoc main_#t~nondet37;~id6~0 := main_#t~nondet38;havoc main_#t~nondet38;~st6~0 := main_#t~nondet39;havoc main_#t~nondet39;~send6~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode6~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive6~0 := main_#t~nondet42;havoc main_#t~nondet42;assume { :begin_inline_init } true;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 314#L332 assume 0 == ~r1~0; 315#L333 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 374#L334 assume ~id1~0 >= 0; 375#L335 assume 0 == ~st1~0; 425#L336 assume ~send1~0 == ~id1~0; 363#L337 assume 0 == ~mode1~0 % 256; 364#L338 assume ~id2~0 >= 0; 407#L339 assume 0 == ~st2~0; 319#L340 assume ~send2~0 == ~id2~0; 320#L341 assume 0 == ~mode2~0 % 256; 400#L342 assume ~id3~0 >= 0; 309#L343 assume 0 == ~st3~0; 310#L344 assume ~send3~0 == ~id3~0; 372#L345 assume 0 == ~mode3~0 % 256; 373#L346 assume ~id4~0 >= 0; 424#L347 assume 0 == ~st4~0; 361#L348 assume ~send4~0 == ~id4~0; 362#L349 assume 0 == ~mode4~0 % 256; 406#L350 assume ~id5~0 >= 0; 349#L351 assume 0 == ~st5~0; 350#L352 assume ~send5~0 == ~id5~0; 399#L353 assume 0 == ~mode5~0 % 256; 307#L354 assume ~id6~0 >= 0; 308#L355 assume 0 == ~st6~0; 369#L356 assume ~send6~0 == ~id6~0; 370#L357 assume 0 == ~mode6~0 % 256; 423#L358 assume ~id1~0 != ~id2~0; 357#L359 assume ~id1~0 != ~id3~0; 358#L360 assume ~id1~0 != ~id4~0; 404#L361 assume ~id1~0 != ~id5~0; 346#L362 assume ~id1~0 != ~id6~0; 347#L363 assume ~id2~0 != ~id3~0; 398#L364 assume ~id2~0 != ~id4~0; 305#L365 assume ~id2~0 != ~id5~0; 306#L366 assume ~id2~0 != ~id6~0; 392#L367 assume ~id3~0 != ~id4~0; 393#L368 assume ~id3~0 != ~id5~0; 421#L369 assume ~id3~0 != ~id6~0; 353#L370 assume ~id4~0 != ~id5~0; 354#L371 assume ~id4~0 != ~id6~0; 403#L372 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 316#L332-1 init_#res := init_~tmp~0; 317#L497 main_#t~ret43 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 326#L573-3 [2018-11-18 08:34:31,445 INFO L796 eck$LassoCheckResult]: Loop: 326#L573-3 assume true; 409#L573-1 assume !!(main_~i2~0 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 410#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; 411#L130 assume !(node1_~m1~0 != ~nomsg~0); 328#L130-1 ~mode1~0 := 0; 341#L126-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 355#L161 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 332#L164 assume !(node2_~m2~0 != ~nomsg~0); 330#L164-1 ~mode2~0 := 0; 331#L161-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 351#L195 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 428#L198 assume !(node3_~m3~0 != ~nomsg~0); 382#L198-1 ~mode3~0 := 0; 418#L195-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 396#L229 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 383#L232 assume !(node4_~m4~0 != ~nomsg~0); 379#L232-1 ~mode4~0 := 0; 360#L229-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 311#L263 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 312#L266 assume !(node5_~m5~0 != ~nomsg~0); 322#L266-1 ~mode5~0 := 0; 303#L263-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite10, node6_#t~ite11, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 304#L297 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 429#L300 assume !(node6_~m6~0 != ~nomsg~0); 391#L300-1 ~mode6~0 := 0; 412#L297-2 assume { :end_inline_node6 } true;~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;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 336#L505 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 337#L505-1 check_#res := check_~tmp~1; 339#L517 main_#t~ret44 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assume { :begin_inline_assert } true;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 405#L606 assume !(0 == assert_~arg % 256); 371#L601 assume { :end_inline_assert } true;main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 326#L573-3 [2018-11-18 08:34:31,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1302395264, now seen corresponding path program 1 times [2018-11-18 08:34:31,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1608705424, now seen corresponding path program 2 times [2018-11-18 08:34:31,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:31,613 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:31,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:31,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,614 INFO L87 Difference]: Start difference. First operand 138 states and 195 transitions. cyclomatic complexity: 58 Second operand 5 states. [2018-11-18 08:34:31,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,662 INFO L93 Difference]: Finished difference Result 141 states and 197 transitions. [2018-11-18 08:34:31,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 197 transitions. [2018-11-18 08:34:31,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2018-11-18 08:34:31,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 138 states and 193 transitions. [2018-11-18 08:34:31,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2018-11-18 08:34:31,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2018-11-18 08:34:31,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 193 transitions. [2018-11-18 08:34:31,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,667 INFO L705 BuchiCegarLoop]: Abstraction has 138 states and 193 transitions. [2018-11-18 08:34:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 193 transitions. [2018-11-18 08:34:31,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 08:34:31,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 08:34:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 193 transitions. [2018-11-18 08:34:31,674 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 193 transitions. [2018-11-18 08:34:31,674 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 193 transitions. [2018-11-18 08:34:31,674 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:31,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 193 transitions. [2018-11-18 08:34:31,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2018-11-18 08:34:31,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,677 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] [2018-11-18 08:34:31,678 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,678 INFO L794 eck$LassoCheckResult]: Stem: 722#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~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 := ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.base(), ~const~array~~LB~int~RB~~LC~base~COL~int~COM~offset~COL~int~RC~.offset();~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~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]; 609#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~alive1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive4~0 := main_#t~nondet32;havoc main_#t~nondet32;~id5~0 := main_#t~nondet33;havoc main_#t~nondet33;~st5~0 := main_#t~nondet34;havoc main_#t~nondet34;~send5~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode5~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive5~0 := main_#t~nondet37;havoc main_#t~nondet37;~id6~0 := main_#t~nondet38;havoc main_#t~nondet38;~st6~0 := main_#t~nondet39;havoc main_#t~nondet39;~send6~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode6~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive6~0 := main_#t~nondet42;havoc main_#t~nondet42;assume { :begin_inline_init } true;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 605#L332 assume 0 == ~r1~0; 606#L333 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 665#L334 assume ~id1~0 >= 0; 666#L335 assume 0 == ~st1~0; 716#L336 assume ~send1~0 == ~id1~0; 654#L337 assume 0 == ~mode1~0 % 256; 655#L338 assume ~id2~0 >= 0; 698#L339 assume 0 == ~st2~0; 610#L340 assume ~send2~0 == ~id2~0; 611#L341 assume 0 == ~mode2~0 % 256; 691#L342 assume ~id3~0 >= 0; 600#L343 assume 0 == ~st3~0; 601#L344 assume ~send3~0 == ~id3~0; 663#L345 assume 0 == ~mode3~0 % 256; 664#L346 assume ~id4~0 >= 0; 715#L347 assume 0 == ~st4~0; 652#L348 assume ~send4~0 == ~id4~0; 653#L349 assume 0 == ~mode4~0 % 256; 697#L350 assume ~id5~0 >= 0; 640#L351 assume 0 == ~st5~0; 641#L352 assume ~send5~0 == ~id5~0; 690#L353 assume 0 == ~mode5~0 % 256; 598#L354 assume ~id6~0 >= 0; 599#L355 assume 0 == ~st6~0; 660#L356 assume ~send6~0 == ~id6~0; 661#L357 assume 0 == ~mode6~0 % 256; 714#L358 assume ~id1~0 != ~id2~0; 648#L359 assume ~id1~0 != ~id3~0; 649#L360 assume ~id1~0 != ~id4~0; 695#L361 assume ~id1~0 != ~id5~0; 638#L362 assume ~id1~0 != ~id6~0; 639#L363 assume ~id2~0 != ~id3~0; 689#L364 assume ~id2~0 != ~id4~0; 596#L365 assume ~id2~0 != ~id5~0; 597#L366 assume ~id2~0 != ~id6~0; 683#L367 assume ~id3~0 != ~id4~0; 684#L368 assume ~id3~0 != ~id5~0; 712#L369 assume ~id3~0 != ~id6~0; 644#L370 assume ~id4~0 != ~id5~0; 645#L371 assume ~id4~0 != ~id6~0; 694#L372 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 607#L332-1 init_#res := init_~tmp~0; 608#L497 main_#t~ret43 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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#L573-3 [2018-11-18 08:34:31,678 INFO L796 eck$LassoCheckResult]: Loop: 617#L573-3 assume true; 700#L573-1 assume !!(main_~i2~0 < 12);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 701#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; 702#L130 assume !(node1_~m1~0 != ~nomsg~0); 621#L130-1 ~mode1~0 := 0; 632#L126-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 646#L161 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 623#L164 assume !(node2_~m2~0 != ~nomsg~0); 618#L164-1 ~mode2~0 := 0; 619#L161-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 642#L195 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 719#L198 assume !(node3_~m3~0 != ~nomsg~0); 672#L198-1 ~mode3~0 := 0; 709#L195-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 687#L229 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 674#L232 assume !(node4_~m4~0 != ~nomsg~0); 673#L232-1 ~mode4~0 := 0; 651#L229-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 602#L263 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 603#L266 assume !(node5_~m5~0 != ~nomsg~0); 613#L266-1 ~mode5~0 := 0; 594#L263-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite10, node6_#t~ite11, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 595#L297 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 720#L300 assume !(node6_~m6~0 != ~nomsg~0); 682#L300-1 ~mode6~0 := 0; 703#L297-2 assume { :end_inline_node6 } true;~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;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 627#L505 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 628#L506 assume ~r1~0 < 6;check_~tmp~1 := 1; 629#L505-1 check_#res := check_~tmp~1; 630#L517 main_#t~ret44 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assume { :begin_inline_assert } true;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 696#L606 assume !(0 == assert_~arg % 256); 662#L601 assume { :end_inline_assert } true;main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 617#L573-3 [2018-11-18 08:34:31,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1302395264, now seen corresponding path program 2 times [2018-11-18 08:34:31,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,681 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2053066356, now seen corresponding path program 1 times [2018-11-18 08:34:31,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,732 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2020473867, now seen corresponding path program 1 times [2018-11-18 08:34:31,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:31,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:32,172 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2018-11-18 08:34:32,834 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2018-11-18 08:34:32,842 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:34:32,842 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:34:32,842 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:34:32,842 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:34:32,843 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 08:34:32,843 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:32,843 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:34:32,843 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:34:32,843 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c_Iteration3_Loop [2018-11-18 08:34:32,843 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:34:32,843 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:34:32,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:32,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,500 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:34:33,500 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:33,505 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 08:34:33,505 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_12c2386a-0371-4382-b12c-03646fad3659/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:33,528 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 08:34:33,528 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 08:34:33,644 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 08:34:33,645 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 08:34:33,645 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 08:34:33,645 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 08:34:33,645 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 08:34:33,646 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 08:34:33,646 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 08:34:33,646 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 08:34:33,646 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 08:34:33,646 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6_true-unreach-call.ufo.BOUNDED-12.pals_true-termination.c_Iteration3_Loop [2018-11-18 08:34:33,646 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 08:34:33,646 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 08:34:33,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:33,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 08:34:34,244 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 08:34:34,247 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 08:34:34,248 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,249 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,250 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,252 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,257 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:34,257 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:34,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,259 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,260 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,260 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,261 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,261 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,263 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:34,263 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:34,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,266 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,268 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,269 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,269 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,272 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:34,272 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:34,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,275 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-18 08:34:34,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,276 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 08:34:34,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,278 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,279 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,280 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,281 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:34,281 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:34,282 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,283 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,283 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,283 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,284 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,284 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,286 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,288 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 08:34:34,288 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 08:34:34,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,291 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,292 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,293 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,293 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,294 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,295 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,295 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,295 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 08:34:34,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 08:34:34,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 08:34:34,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 08:34:34,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 08:34:34,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 08:34:34,297 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 08:34:34,297 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 08:34:34,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 08:34:34,299 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 08:34:34,301 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 08:34:34,302 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 08:34:34,303 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 08:34:34,304 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 08:34:34,304 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 08:34:34,304 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2018-11-18 08:34:34,305 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 08:34:34,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:34,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:34,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:34,416 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-18 08:34:34,417 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 138 states and 193 transitions. cyclomatic complexity: 56 Second operand 4 states. [2018-11-18 08:34:34,471 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 138 states and 193 transitions. cyclomatic complexity: 56. Second operand 4 states. Result 231 states and 342 transitions. Complement of second has 6 states. [2018-11-18 08:34:34,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 08:34:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 08:34:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 193 transitions. [2018-11-18 08:34:34,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 193 transitions. Stem has 45 letters. Loop has 32 letters. [2018-11-18 08:34:34,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:34:34,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 193 transitions. Stem has 77 letters. Loop has 32 letters. [2018-11-18 08:34:34,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:34:34,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 193 transitions. Stem has 45 letters. Loop has 64 letters. [2018-11-18 08:34:34,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 08:34:34,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 342 transitions. [2018-11-18 08:34:34,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:34:34,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2018-11-18 08:34:34,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 08:34:34,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 08:34:34,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 08:34:34,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:34,479 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:34,479 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:34,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:34,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:34,479 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 08:34:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:34,480 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 08:34:34,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:34:34,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 08:34:34,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:34:34,480 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:34:34,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 08:34:34,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 08:34:34,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 08:34:34,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:34,480 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:34,480 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:34,481 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:34,481 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 08:34:34,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:34:34,481 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 08:34:34,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 08:34:34,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:34:34 BoogieIcfgContainer [2018-11-18 08:34:34,486 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:34:34,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:34,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:34,487 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:34,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:34:34,490 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 08:34:34,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:34,491 INFO L168 Benchmark]: Toolchain (without parser) took 4488.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,491 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:34,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.81 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. [2018-11-18 08:34:34,492 INFO L168 Benchmark]: Boogie Preprocessor took 30.12 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. [2018-11-18 08:34:34,493 INFO L168 Benchmark]: RCFGBuilder took 580.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,493 INFO L168 Benchmark]: BuchiAutomizer took 3523.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -82.5 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:34,494 INFO L168 Benchmark]: Witness Printer took 3.75 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:34,495 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 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.81 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. * Boogie Preprocessor took 30.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 580.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3523.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -82.5 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.75 ms. Allocated memory is still 1.3 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 4 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 138 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 624 SDtfs, 340 SDslu, 1155 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: 3ms 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...