./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple2_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple2_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/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 64bit --witnessprinter.graph.data.programhash 0e5de97577f46d865036abdb75ab0d17479e10b3 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:34:34,572 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:34:34,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:34:34,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:34:34,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:34:34,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:34:34,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:34:34,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:34:34,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:34:34,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:34:34,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:34:34,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:34:34,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:34:34,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:34:34,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:34:34,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:34:34,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:34:34,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:34:34,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:34:34,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:34:34,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:34:34,595 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:34:34,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:34:34,597 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:34:34,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:34:34,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:34:34,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:34:34,599 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:34:34,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:34:34,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:34:34,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:34:34,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:34:34,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:34:34,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:34:34,602 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:34:34,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:34:34,603 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 07:34:34,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:34:34,611 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:34:34,612 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:34:34,612 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:34:34,612 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:34:34,612 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:34:34,612 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:34:34,613 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:34:34,613 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:34:34,613 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:34:34,613 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:34:34,613 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:34:34,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:34:34,615 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:34:34,615 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:34:34,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:34:34,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:34:34,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:34:34,615 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:34:34,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:34:34,615 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:34:34,616 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:34:34,616 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:34:34,616 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_f70de8fa-e24f-4052-b660-df5a72b280f1/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e5de97577f46d865036abdb75ab0d17479e10b3 [2018-11-23 07:34:34,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:34:34,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:34:34,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:34:34,653 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:34:34,653 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:34:34,654 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple2_true-termination.c.i [2018-11-23 07:34:34,699 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/data/4264fda19/139f0c7dfbcf4cd191ba0b0296880220/FLAGc9278a517 [2018-11-23 07:34:35,011 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:34:35,011 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/sv-benchmarks/c/termination-recursive-malloc/mutual_simple2_true-termination.c.i [2018-11-23 07:34:35,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/data/4264fda19/139f0c7dfbcf4cd191ba0b0296880220/FLAGc9278a517 [2018-11-23 07:34:35,027 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/bin-2019/uautomizer/data/4264fda19/139f0c7dfbcf4cd191ba0b0296880220 [2018-11-23 07:34:35,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:34:35,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:34:35,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:34:35,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:34:35,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:34:35,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703e8e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35, skipping insertion in model container [2018-11-23 07:34:35,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:34:35,055 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:34:35,161 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:34:35,168 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:34:35,178 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:34:35,187 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:34:35,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35 WrapperNode [2018-11-23 07:34:35,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:34:35,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:34:35,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:34:35,188 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:34:35,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:34:35,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:34:35,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:34:35,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:34:35,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... [2018-11-23 07:34:35,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:34:35,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:34:35,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:34:35,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:34:35,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f70de8fa-e24f-4052-b660-df5a72b280f1/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 07:34:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:34:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:34:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-23 07:34:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-23 07:34:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-23 07:34:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-23 07:34:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:34:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:34:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:34:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:34:35,410 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:34:35,410 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 07:34:35,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:34:35 BoogieIcfgContainer [2018-11-23 07:34:35,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:34:35,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:34:35,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:34:35,414 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:34:35,414 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:34:35,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:34:35" (1/3) ... [2018-11-23 07:34:35,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e0ced1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:34:35, skipping insertion in model container [2018-11-23 07:34:35,416 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:34:35,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:34:35" (2/3) ... [2018-11-23 07:34:35,416 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e0ced1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:34:35, skipping insertion in model container [2018-11-23 07:34:35,416 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:34:35,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:34:35" (3/3) ... [2018-11-23 07:34:35,418 INFO L375 chiAutomizerObserver]: Analyzing ICFG mutual_simple2_true-termination.c.i [2018-11-23 07:34:35,461 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:34:35,461 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:34:35,461 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:34:35,461 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:34:35,461 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:34:35,462 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:34:35,462 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:34:35,462 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:34:35,462 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:34:35,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-23 07:34:35,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 07:34:35,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:34:35,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:34:35,501 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 07:34:35,501 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 07:34:35,501 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:34:35,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-23 07:34:35,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-23 07:34:35,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:34:35,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:34:35,502 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 07:34:35,502 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 07:34:35,507 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet9, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(main_#t~nondet9, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet9; 16#L44true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 15#fENTRYtrue [2018-11-23 07:34:35,507 INFO L796 eck$LassoCheckResult]: Loop: 15#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;~r.base, ~r.offset := #in~r.base, #in~r.offset;call ULTIMATE.dealloc(~r.base, ~r.offset);call #t~mem1 := read~int(~q.base, ~q.offset, 4); 17#L14true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(4);~s~0.base, ~s~0.offset := #t~malloc2.base, #t~malloc2.offset;call #t~mem3 := read~int(~q.base, ~q.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~q.base, ~q.offset, 4);havoc #t~mem3;havoc #t~post4; 4#L21true call g(~q.base, ~q.offset, ~s~0.base, ~s~0.offset);< 13#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~s.base, ~s.offset := #in~s.base, #in~s.offset;call ULTIMATE.dealloc(~s.base, ~s.offset);call #t~mem5 := read~int(~p.base, ~p.offset, 4); 14#L27true assume !(#t~mem5 < 0);havoc #t~mem5;call #t~malloc6.base, #t~malloc6.offset := #Ultimate.alloc(4);~r~0.base, ~r~0.offset := #t~malloc6.base, #t~malloc6.offset; 5#L33true call f(~p.base, ~p.offset, ~r~0.base, ~r~0.offset);< 15#fENTRYtrue [2018-11-23 07:34:35,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:34:35,511 INFO L82 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2018-11-23 07:34:35,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:34:35,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:34:35,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:34:35,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:34:35,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:34:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:34:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:34:35,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:34:35,597 INFO L82 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2018-11-23 07:34:35,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:34:35,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:34:35,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:34:35,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:34:35,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:34:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:34:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:34:35,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:34:35,637 INFO L82 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2018-11-23 07:34:35,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:34:35,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:34:35,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:34:35,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:34:35,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:34:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:34:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:34:36,048 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-11-23 07:34:36,320 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2018-11-23 07:34:36,593 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:34:36,594 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:34:36,594 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:34:36,594 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:34:36,594 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:34:36,594 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:34:36,594 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:34:36,595 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:34:36,595 INFO L131 ssoRankerPreferences]: Filename of dumped script: mutual_simple2_true-termination.c.i_Iteration1_Lasso [2018-11-23 07:34:36,595 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:34:36,595 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:34:36,614 INFO 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 07:34:36,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,619 INFO 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 07:34:36,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,626 INFO 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 07:34:36,628 INFO 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 07:34:36,629 INFO 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 07:34:36,630 INFO 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 07:34:36,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,633 INFO 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 07:34:36,635 INFO 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 07:34:36,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,638 INFO 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 07:34:36,737 INFO 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 07:34:36,738 INFO 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 07:34:36,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,740 INFO 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 07:34:36,741 INFO 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 07:34:36,743 INFO 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 07:34:36,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,745 INFO 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 07:34:36,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,748 INFO 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 07:34:36,749 INFO 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 07:34:36,751 INFO 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 07:34:36,751 INFO 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 07:34:36,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,753 INFO 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 07:34:36,754 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 07:34:36,755 INFO 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 07:34:36,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:34:36,758 INFO 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 07:34:36,759 INFO 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 07:34:36,760 INFO 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 07:34:36,761 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 07:34:36,762 INFO 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 07:34:36,763 INFO 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 07:34:36,764 INFO 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 07:34:36,956 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:34:36,959 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:34:36,961 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 07:34:36,962 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,962 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,963 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,964 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,966 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 07:34:36,966 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,966 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,967 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,967 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,968 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 07:34:36,968 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,969 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,969 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,969 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,970 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,970 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 07:34:36,971 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,971 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,971 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,971 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,972 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,972 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,972 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 07:34:36,973 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,973 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,973 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,973 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,974 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,974 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,975 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 07:34:36,975 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,975 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,976 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,977 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 07:34:36,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,978 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,978 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,979 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 07:34:36,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,980 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,980 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,981 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,981 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 07:34:36,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,982 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,982 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,982 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,983 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 07:34:36,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,984 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,986 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:34:36,986 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:34:36,989 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,989 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 07:34:36,989 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,990 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,990 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,990 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,992 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 07:34:36,992 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,992 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,993 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,993 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,994 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 07:34:36,994 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,994 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,995 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,995 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,995 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,996 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 07:34:36,997 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:36,997 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:36,997 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:34:36,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:36,998 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:36,999 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 07:34:36,999 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:36,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:34:36,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:36,999 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 07:34:36,999 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:37,000 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:34:37,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:34:37,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:37,001 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 07:34:37,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:37,002 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 07:34:37,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:37,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:37,003 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 07:34:37,003 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:34:37,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:37,012 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 07:34:37,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:37,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:37,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:37,013 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:37,015 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:34:37,015 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:34:37,026 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:37,026 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 07:34:37,027 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:37,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:37,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:37,027 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:37,029 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:34:37,029 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:34:37,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:34:37,038 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 07:34:37,038 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:34:37,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:34:37,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:34:37,038 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:34:37,040 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:34:37,040 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:34:37,051 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 07:34:37,058 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 07:34:37,058 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 07:34:37,060 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 07:34:37,061 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 07:34:37,061 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 07:34:37,062 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2018-11-23 07:34:37,090 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-23 07:34:37,094 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 07:34:37,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:34:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:34:37,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:34:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:34:37,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:34:37,169 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:34:37,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2018-11-23 07:34:37,175 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:34:37,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 19 [2018-11-23 07:34:37,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:34:37,179 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:34:37,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:34:37,180 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:9 [2018-11-23 07:34:37,216 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 07:34:37,226 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2018-11-23 07:34:37,227 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 7 states. [2018-11-23 07:34:37,405 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 7 states. Result 47 states and 53 transitions. Complement of second has 22 states. [2018-11-23 07:34:37,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-23 07:34:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 07:34:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2018-11-23 07:34:37,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-23 07:34:37,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:34:37,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2018-11-23 07:34:37,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:34:37,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2018-11-23 07:34:37,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 07:34:37,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2018-11-23 07:34:37,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:34:37,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2018-11-23 07:34:37,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 07:34:37,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 07:34:37,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 07:34:37,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 07:34:37,416 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:34:37,417 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:34:37,417 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:34:37,417 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 07:34:37,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:34:37,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 07:34:37,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 07:34:37,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:34:37 BoogieIcfgContainer [2018-11-23 07:34:37,421 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:34:37,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:34:37,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:34:37,421 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:34:37,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:34:35" (3/4) ... [2018-11-23 07:34:37,424 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:34:37,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:34:37,425 INFO L168 Benchmark]: Toolchain (without parser) took 2395.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 958.2 MB in the beginning and 967.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:34:37,425 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:34:37,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.90 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:34:37,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.42 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:34:37,426 INFO L168 Benchmark]: Boogie Preprocessor took 47.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:34:37,427 INFO L168 Benchmark]: RCFGBuilder took 154.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:34:37,427 INFO L168 Benchmark]: BuchiAutomizer took 2009.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.8 MB in the end (delta: 150.6 MB). Peak memory consumption was 150.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:34:37,428 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.2 GB. Free memory is still 967.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:34:37,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.90 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.42 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2009.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.8 MB in the end (delta: 150.6 MB). Peak memory consumption was 150.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.2 GB. Free memory is still 967.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 11 SDslu, 20 SDs, 0 SdLazy, 64 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax100 hnf100 lsp94 ukn60 mio100 lsp27 div100 bol100 ite100 ukn100 eq160 hnf90 smp93 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...