./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/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 9617a298e8318064de96aca26d3538590248ba76 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:48:07,963 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:48:07,964 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:48:07,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:48:07,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:48:07,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:48:07,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:48:07,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:48:07,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:48:07,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:48:07,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:48:07,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:48:07,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:48:07,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:48:07,978 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:48:07,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:48:07,979 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:48:07,980 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:48:07,982 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:48:07,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:48:07,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:48:07,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:48:07,986 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:48:07,986 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:48:07,986 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:48:07,987 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:48:07,987 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:48:07,988 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:48:07,988 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:48:07,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:48:07,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:48:07,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:48:07,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:48:07,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:48:07,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:48:07,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:48:07,991 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 11:48:08,001 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:48:08,001 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:48:08,002 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:48:08,002 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:48:08,002 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:48:08,002 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 11:48:08,002 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 11:48:08,002 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 11:48:08,002 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 11:48:08,003 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:48:08,003 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:48:08,004 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 11:48:08,005 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:48:08,005 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:48:08,005 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 11:48:08,005 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:48:08,005 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:48:08,005 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 11:48:08,006 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 11:48:08,006 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_6af1bb67-ca4f-449d-b95b-165075d32b13/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 -> 9617a298e8318064de96aca26d3538590248ba76 [2018-11-23 11:48:08,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:48:08,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:48:08,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:48:08,037 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:48:08,038 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:48:08,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c [2018-11-23 11:48:08,077 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/data/7c762c46d/8660ef66a13f446daab1df716ffc472f/FLAG9bceee344 [2018-11-23 11:48:08,500 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:48:08,500 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c [2018-11-23 11:48:08,506 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/data/7c762c46d/8660ef66a13f446daab1df716ffc472f/FLAG9bceee344 [2018-11-23 11:48:08,514 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/data/7c762c46d/8660ef66a13f446daab1df716ffc472f [2018-11-23 11:48:08,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:48:08,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:48:08,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:48:08,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:48:08,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:48:08,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658711a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08, skipping insertion in model container [2018-11-23 11:48:08,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:48:08,552 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:48:08,688 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:48:08,693 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:48:08,720 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:48:08,770 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:48:08,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08 WrapperNode [2018-11-23 11:48:08,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:48:08,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:48:08,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:48:08,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:48:08,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:48:08,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:48:08,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:48:08,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:48:08,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... [2018-11-23 11:48:08,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:48:08,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:48:08,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:48:08,830 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:48:08,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 11:48:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:48:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:48:09,342 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:48:09,342 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-11-23 11:48:09,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:48:09 BoogieIcfgContainer [2018-11-23 11:48:09,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:48:09,343 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 11:48:09,343 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 11:48:09,345 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 11:48:09,346 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:48:09,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:48:08" (1/3) ... [2018-11-23 11:48:09,347 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dc2b696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:48:09, skipping insertion in model container [2018-11-23 11:48:09,347 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:48:09,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:08" (2/3) ... [2018-11-23 11:48:09,347 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dc2b696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:48:09, skipping insertion in model container [2018-11-23 11:48:09,347 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:48:09,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:48:09" (3/3) ... [2018-11-23 11:48:09,349 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c [2018-11-23 11:48:09,382 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:48:09,382 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 11:48:09,382 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 11:48:09,382 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 11:48:09,382 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:48:09,383 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:48:09,383 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 11:48:09,383 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:48:09,383 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 11:48:09,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states. [2018-11-23 11:48:09,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2018-11-23 11:48:09,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:48:09,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:48:09,419 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 11:48:09,419 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,420 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 11:48:09,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states. [2018-11-23 11:48:09,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 65 [2018-11-23 11:48:09,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:48:09,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:48:09,425 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 11:48:09,425 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,430 INFO L794 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRYtrue ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~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;~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]; 7#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 97#L247true assume !(0 == ~r1~0);init_~tmp~0 := 0; 96#L247-1true init_#res := init_~tmp~0; 63#L344true main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 8#L406-2true [2018-11-23 11:48:09,430 INFO L796 eck$LassoCheckResult]: Loop: 8#L406-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 75#L110true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 18#L114true assume !(node1_~m1~0 != ~nomsg~0); 16#L114-1true ~mode1~0 := 0; 72#L110-2true havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 91#L145true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 82#L148true assume !(node2_~m2~0 != ~nomsg~0); 80#L148-1true ~mode2~0 := 0; 89#L145-2true havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 51#L179true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 55#L182true assume !(node3_~m3~0 != ~nomsg~0); 53#L182-1true ~mode3~0 := 0; 49#L179-2true havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 34#L213true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 24#L216true assume !(node4_~m4~0 != ~nomsg~0); 23#L216-1true ~mode4~0 := 0; 19#L213-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 81#L352true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 83#L352-1true check_#res := check_~tmp~1; 42#L364true main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 37#L433true assume !(0 == assert_~arg % 256); 17#L428true main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 8#L406-2true [2018-11-23 11:48:09,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 28832784, now seen corresponding path program 1 times [2018-11-23 11:48:09,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:09,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:09,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:09,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:48:09,553 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 11:48:09,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1703887177, now seen corresponding path program 1 times [2018-11-23 11:48:09,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:09,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:09,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:09,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:48:09,631 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 11:48:09,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:48:09,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:48:09,642 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 4 states. [2018-11-23 11:48:09,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:09,716 INFO L93 Difference]: Finished difference Result 99 states and 161 transitions. [2018-11-23 11:48:09,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:48:09,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 161 transitions. [2018-11-23 11:48:09,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-23 11:48:09,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 92 states and 131 transitions. [2018-11-23 11:48:09,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-23 11:48:09,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-23 11:48:09,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 131 transitions. [2018-11-23 11:48:09,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 11:48:09,728 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-11-23 11:48:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 131 transitions. [2018-11-23 11:48:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-23 11:48:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-23 11:48:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2018-11-23 11:48:09,756 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-11-23 11:48:09,756 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-11-23 11:48:09,756 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 11:48:09,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 131 transitions. [2018-11-23 11:48:09,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-23 11:48:09,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:48:09,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:48:09,758 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,758 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,759 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~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;~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]; 229#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 230#L247 assume 0 == ~r1~0; 242#L248 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 243#L249 assume ~id1~0 >= 0; 279#L250 assume 0 == ~st1~0; 283#L251 assume ~send1~0 == ~id1~0; 218#L252 assume 0 == ~mode1~0 % 256; 219#L253 assume ~id2~0 >= 0; 262#L254 assume 0 == ~st2~0; 231#L255 assume ~send2~0 == ~id2~0; 232#L256 assume 0 == ~mode2~0 % 256; 270#L257 assume ~id3~0 >= 0; 294#L258 assume 0 == ~st3~0; 244#L259 assume ~send3~0 == ~id3~0; 245#L260 assume 0 == ~mode3~0 % 256; 280#L261 assume ~id4~0 >= 0; 284#L262 assume 0 == ~st4~0; 220#L263 assume ~send4~0 == ~id4~0; 221#L264 assume 0 == ~mode4~0 % 256; 263#L265 assume ~id1~0 != ~id2~0; 233#L266 assume ~id1~0 != ~id3~0; 234#L267 assume ~id1~0 != ~id4~0; 271#L268 assume ~id2~0 != ~id3~0; 295#L269 assume ~id2~0 != ~id4~0; 249#L270 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 250#L247-1 init_#res := init_~tmp~0; 256#L344 main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 227#L406-2 [2018-11-23 11:48:09,759 INFO L796 eck$LassoCheckResult]: Loop: 227#L406-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 228#L110 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 260#L114 assume !(node1_~m1~0 != ~nomsg~0); 258#L114-1 ~mode1~0 := 0; 241#L110-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 272#L145 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 291#L148 assume !(node2_~m2~0 != ~nomsg~0); 237#L148-1 ~mode2~0 := 0; 278#L145-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 224#L179 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 225#L182 assume !(node3_~m3~0 != ~nomsg~0); 238#L182-1 ~mode3~0 := 0; 216#L179-2 havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 217#L213 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 276#L216 assume !(node4_~m4~0 != ~nomsg~0); 274#L216-1 ~mode4~0 := 0; 264#L213-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 265#L352 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 282#L352-1 check_#res := check_~tmp~1; 292#L364 main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 298#L433 assume !(0 == assert_~arg % 256); 259#L428 main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 227#L406-2 [2018-11-23 11:48:09,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 1 times [2018-11-23 11:48:09,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:09,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:48:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:48:09,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1703887177, now seen corresponding path program 2 times [2018-11-23 11:48:09,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:09,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:09,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:09,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:48:09,866 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 11:48:09,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:48:09,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:48:09,866 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. cyclomatic complexity: 40 Second operand 5 states. [2018-11-23 11:48:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:09,914 INFO L93 Difference]: Finished difference Result 95 states and 133 transitions. [2018-11-23 11:48:09,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:48:09,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 133 transitions. [2018-11-23 11:48:09,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-23 11:48:09,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 92 states and 129 transitions. [2018-11-23 11:48:09,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-23 11:48:09,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-23 11:48:09,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2018-11-23 11:48:09,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 11:48:09,919 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2018-11-23 11:48:09,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2018-11-23 11:48:09,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-23 11:48:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-23 11:48:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2018-11-23 11:48:09,925 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2018-11-23 11:48:09,925 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2018-11-23 11:48:09,925 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 11:48:09,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 129 transitions. [2018-11-23 11:48:09,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2018-11-23 11:48:09,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 11:48:09,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 11:48:09,927 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,927 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,928 INFO L794 eck$LassoCheckResult]: Stem: 466#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~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;~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]; 426#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29, main_#t~ret30, main_#t~post31, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet8;havoc main_#t~nondet8;~id1~0 := main_#t~nondet9;havoc main_#t~nondet9;~st1~0 := main_#t~nondet10;havoc main_#t~nondet10;~send1~0 := main_#t~nondet11;havoc main_#t~nondet11;~mode1~0 := main_#t~nondet12;havoc main_#t~nondet12;~alive1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id2~0 := main_#t~nondet14;havoc main_#t~nondet14;~st2~0 := main_#t~nondet15;havoc main_#t~nondet15;~send2~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode2~0 := main_#t~nondet17;havoc main_#t~nondet17;~alive2~0 := main_#t~nondet18;havoc main_#t~nondet18;~id3~0 := main_#t~nondet19;havoc main_#t~nondet19;~st3~0 := main_#t~nondet20;havoc main_#t~nondet20;~send3~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode3~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive3~0 := main_#t~nondet23;havoc main_#t~nondet23;~id4~0 := main_#t~nondet24;havoc main_#t~nondet24;~st4~0 := main_#t~nondet25;havoc main_#t~nondet25;~send4~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode4~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive4~0 := main_#t~nondet28;havoc main_#t~nondet28;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 427#L247 assume 0 == ~r1~0; 441#L248 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 442#L249 assume ~id1~0 >= 0; 478#L250 assume 0 == ~st1~0; 482#L251 assume ~send1~0 == ~id1~0; 417#L252 assume 0 == ~mode1~0 % 256; 418#L253 assume ~id2~0 >= 0; 461#L254 assume 0 == ~st2~0; 428#L255 assume ~send2~0 == ~id2~0; 429#L256 assume 0 == ~mode2~0 % 256; 467#L257 assume ~id3~0 >= 0; 493#L258 assume 0 == ~st3~0; 443#L259 assume ~send3~0 == ~id3~0; 444#L260 assume 0 == ~mode3~0 % 256; 479#L261 assume ~id4~0 >= 0; 483#L262 assume 0 == ~st4~0; 419#L263 assume ~send4~0 == ~id4~0; 420#L264 assume 0 == ~mode4~0 % 256; 462#L265 assume ~id1~0 != ~id2~0; 432#L266 assume ~id1~0 != ~id3~0; 433#L267 assume ~id1~0 != ~id4~0; 470#L268 assume ~id2~0 != ~id3~0; 494#L269 assume ~id2~0 != ~id4~0; 448#L270 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 449#L247-1 init_#res := init_~tmp~0; 455#L344 main_#t~ret29 := init_#res;main_~i2~0 := main_#t~ret29;havoc main_#t~ret29;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 430#L406-2 [2018-11-23 11:48:09,928 INFO L796 eck$LassoCheckResult]: Loop: 430#L406-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 431#L110 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 459#L114 assume !(node1_~m1~0 != ~nomsg~0); 457#L114-1 ~mode1~0 := 0; 440#L110-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 471#L145 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 491#L148 assume !(node2_~m2~0 != ~nomsg~0); 436#L148-1 ~mode2~0 := 0; 477#L145-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 423#L179 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 424#L182 assume !(node3_~m3~0 != ~nomsg~0); 437#L182-1 ~mode3~0 := 0; 415#L179-2 havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 416#L213 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 475#L216 assume !(node4_~m4~0 != ~nomsg~0); 472#L216-1 ~mode4~0 := 0; 463#L213-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 464#L352 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 488#L353 assume ~r1~0 < 4;check_~tmp~1 := 1; 481#L352-1 check_#res := check_~tmp~1; 490#L364 main_#t~ret30 := check_#res;main_~c1~0 := main_#t~ret30;havoc main_#t~ret30;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 495#L433 assume !(0 == assert_~arg % 256); 458#L428 main_#t~post31 := main_~i2~0;main_~i2~0 := 1 + main_#t~post31;havoc main_#t~post31; 430#L406-2 [2018-11-23 11:48:09,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1386311927, now seen corresponding path program 2 times [2018-11-23 11:48:09,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,934 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 11:48:09,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:48:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:48:09,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,965 INFO L82 PathProgramCache]: Analyzing trace with hash 897567768, now seen corresponding path program 1 times [2018-11-23 11:48:09,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,967 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 11:48:09,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:48:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 11:48:09,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,982 INFO L82 PathProgramCache]: Analyzing trace with hash 490525712, now seen corresponding path program 1 times [2018-11-23 11:48:09,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:48:09,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:48:09,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:09,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:48:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:10,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:10,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:48:10,286 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2018-11-23 11:48:10,719 WARN L180 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2018-11-23 11:48:10,729 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 11:48:10,730 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 11:48:10,730 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 11:48:10,730 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 11:48:10,730 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 11:48:10,730 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 11:48:10,731 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 11:48:10,731 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 11:48:10,731 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-23 11:48:10,731 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 11:48:10,731 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 11:48:10,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:10,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,242 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 11:48:11,243 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 11:48:11,246 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 11:48:11,246 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6af1bb67-ca4f-449d-b95b-165075d32b13/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 11:48:11,267 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 11:48:11,267 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 11:48:11,377 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 11:48:11,378 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 11:48:11,379 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 11:48:11,379 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 11:48:11,379 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 11:48:11,379 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 11:48:11,379 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 11:48:11,379 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 11:48:11,379 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 11:48:11,379 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4_true-unreach-call.ufo.BOUNDED-8.pals_true-termination.c_Iteration3_Loop [2018-11-23 11:48:11,379 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 11:48:11,379 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 11:48:11,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 11:48:11,787 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 11:48:11,791 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 11:48:11,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,795 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,796 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:48:11,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,803 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:48:11,804 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:48:11,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,807 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:48:11,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,808 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,811 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,811 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:48:11,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,813 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,814 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:48:11,814 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:48:11,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,817 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,817 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,818 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:48:11,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,821 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,822 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:48:11,822 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:48:11,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,825 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,825 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 11:48:11,826 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,826 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 11:48:11,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,830 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,830 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,831 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,831 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,831 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,832 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 11:48:11,832 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 11:48:11,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,835 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,835 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,836 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,836 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:48:11,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 11:48:11,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 11:48:11,837 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 11:48:11,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 11:48:11,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 11:48:11,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 11:48:11,838 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 11:48:11,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 11:48:11,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 11:48:11,840 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 11:48:11,842 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 11:48:11,843 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 11:48:11,844 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 11:48:11,844 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 11:48:11,845 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 11:48:11,845 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2018-11-23 11:48:11,846 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 11:48:11,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:11,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:11,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:11,931 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 11:48:11,931 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 129 transitions. cyclomatic complexity: 38 Second operand 3 states. [2018-11-23 11:48:11,983 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 129 transitions. cyclomatic complexity: 38. Second operand 3 states. Result 156 states and 231 transitions. Complement of second has 4 states. [2018-11-23 11:48:11,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 11:48:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2018-11-23 11:48:11,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 28 letters. Loop has 23 letters. [2018-11-23 11:48:11,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 11:48:11,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 51 letters. Loop has 23 letters. [2018-11-23 11:48:11,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 11:48:11,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 129 transitions. Stem has 28 letters. Loop has 46 letters. [2018-11-23 11:48:11,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 11:48:11,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 231 transitions. [2018-11-23 11:48:11,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 11:48:11,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 0 states and 0 transitions. [2018-11-23 11:48:11,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 11:48:11,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 11:48:11,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 11:48:11,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 11:48:11,990 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:48:11,990 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:48:11,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:48:11,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:11,990 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-23 11:48:11,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:11,991 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:48:11,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:48:11,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 11:48:11,991 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 11:48:11,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:48:11,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 11:48:11,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 11:48:11,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 11:48:11,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 11:48:11,992 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:48:11,992 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:48:11,992 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:48:11,992 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 11:48:11,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:48:11,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 11:48:11,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 11:48:11,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:48:11 BoogieIcfgContainer [2018-11-23 11:48:11,997 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 11:48:11,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:48:11,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:48:11,998 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:48:11,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:48:09" (3/4) ... [2018-11-23 11:48:12,000 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 11:48:12,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:48:12,001 INFO L168 Benchmark]: Toolchain (without parser) took 3484.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -119.0 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:48:12,002 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:48:12,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:48:12,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:48:12,003 INFO L168 Benchmark]: Boogie Preprocessor took 26.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:48:12,003 INFO L168 Benchmark]: RCFGBuilder took 512.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:48:12,003 INFO L168 Benchmark]: BuchiAutomizer took 2654.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:48:12,004 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:48:12,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 512.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2654.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 92 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 415 SDtfs, 230 SDslu, 770 SDs, 0 SdLazy, 22 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax118 hnf104 lsp17 ukn86 mio100 lsp100 div132 bol100 ite100 ukn100 eq172 hnf85 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...