./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca_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_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/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 c1eb142aa621a3b7c962754bdbb3857cadaf1720 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:16:08,619 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:16:08,620 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:16:08,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:16:08,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:16:08,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:16:08,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:16:08,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:16:08,630 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:16:08,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:16:08,632 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:16:08,632 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:16:08,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:16:08,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:16:08,634 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:16:08,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:16:08,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:16:08,636 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:16:08,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:16:08,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:16:08,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:16:08,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:16:08,641 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:16:08,641 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:16:08,641 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:16:08,642 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:16:08,643 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:16:08,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:16:08,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:16:08,644 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:16:08,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:16:08,645 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:16:08,645 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:16:08,645 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:16:08,646 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:16:08,646 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:16:08,647 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 00:16:08,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:16:08,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:16:08,657 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:16:08,657 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:16:08,657 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:16:08,657 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 00:16:08,658 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 00:16:08,658 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 00:16:08,658 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 00:16:08,658 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 00:16:08,658 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 00:16:08,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:16:08,658 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 00:16:08,659 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:16:08,660 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 00:16:08,660 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:16:08,660 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:16:08,660 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 00:16:08,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:16:08,660 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:16:08,660 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 00:16:08,661 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 00:16:08,661 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_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/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 -> c1eb142aa621a3b7c962754bdbb3857cadaf1720 [2018-11-23 00:16:08,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:16:08,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:16:08,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:16:08,694 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:16:08,694 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:16:08,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca_true-termination.c.i [2018-11-23 00:16:08,729 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/data/be0b9e9fb/84d2e6509a8c4e908869883250b40634/FLAG818628106 [2018-11-23 00:16:09,071 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:16:09,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcmp-alloca_true-termination.c.i [2018-11-23 00:16:09,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/data/be0b9e9fb/84d2e6509a8c4e908869883250b40634/FLAG818628106 [2018-11-23 00:16:09,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/bin-2019/uautomizer/data/be0b9e9fb/84d2e6509a8c4e908869883250b40634 [2018-11-23 00:16:09,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:16:09,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:16:09,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:16:09,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:16:09,094 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:16:09,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4071ea38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09, skipping insertion in model container [2018-11-23 00:16:09,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:16:09,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:16:09,311 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:16:09,319 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:16:09,390 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:16:09,411 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:16:09,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09 WrapperNode [2018-11-23 00:16:09,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:16:09,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:16:09,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:16:09,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:16:09,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:16:09,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:16:09,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:16:09,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:16:09,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... [2018-11-23 00:16:09,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:16:09,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:16:09,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:16:09,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:16:09,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23718b7d-4185-4446-bb81-9e4bb7e4f4b3/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 00:16:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:16:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 00:16:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 00:16:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 00:16:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:16:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:16:09,679 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:16:09,680 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:16:09,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:16:09 BoogieIcfgContainer [2018-11-23 00:16:09,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:16:09,680 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 00:16:09,680 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 00:16:09,684 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 00:16:09,684 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:16:09,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:16:09" (1/3) ... [2018-11-23 00:16:09,685 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@270005af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:16:09, skipping insertion in model container [2018-11-23 00:16:09,685 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:16:09,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:16:09" (2/3) ... [2018-11-23 00:16:09,686 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@270005af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:16:09, skipping insertion in model container [2018-11-23 00:16:09,686 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:16:09,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:16:09" (3/3) ... [2018-11-23 00:16:09,687 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-termination.c.i [2018-11-23 00:16:09,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:16:09,724 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 00:16:09,724 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 00:16:09,724 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 00:16:09,724 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:16:09,724 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:16:09,724 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 00:16:09,724 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:16:09,724 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 00:16:09,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 00:16:09,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 00:16:09,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:16:09,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:16:09,753 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 00:16:09,754 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 00:16:09,754 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 00:16:09,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 00:16:09,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 00:16:09,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:16:09,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:16:09,755 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 00:16:09,755 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 00:16:09,760 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 3#L558true assume !(main_~length1~0 < 1); 7#L558-2true assume !(main_~length2~0 < 1); 13#L561-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 4#L550-3true [2018-11-23 00:16:09,761 INFO L796 eck$LassoCheckResult]: Loop: 4#L550-3true call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 15#L550-1true assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 11#L551true assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 4#L550-3true [2018-11-23 00:16:09,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:16:09,765 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2018-11-23 00:16:09,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:16:09,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:16:09,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:16:09,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:16:09,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:16:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:16:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:16:09,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:16:09,866 INFO L82 PathProgramCache]: Analyzing trace with hash 49816, now seen corresponding path program 1 times [2018-11-23 00:16:09,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:16:09,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:16:09,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:16:09,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:16:09,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:16:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:16:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:16:09,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:16:09,882 INFO L82 PathProgramCache]: Analyzing trace with hash 180429619, now seen corresponding path program 1 times [2018-11-23 00:16:09,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:16:09,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:16:09,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:16:09,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:16:09,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:16:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:16:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:16:10,053 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-11-23 00:16:10,230 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-11-23 00:16:10,313 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 00:16:10,314 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 00:16:10,314 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 00:16:10,314 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 00:16:10,315 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 00:16:10,315 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 00:16:10,315 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 00:16:10,315 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 00:16:10,315 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 00:16:10,315 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 00:16:10,316 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 00:16:10,333 INFO 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 00:16:10,337 INFO 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 00:16:10,338 INFO 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 00:16:10,340 INFO 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 00:16:10,342 INFO 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 00:16:10,346 INFO 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 00:16:10,348 INFO 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 00:16:10,349 INFO 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 00:16:10,354 INFO 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 00:16:10,359 INFO 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 00:16:10,361 INFO 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 00:16:10,362 INFO 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 00:16:10,364 INFO 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 00:16:10,365 INFO 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 00:16:10,367 INFO 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 00:16:10,369 INFO 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 00:16:10,373 INFO 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 00:16:10,375 INFO 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 00:16:10,377 INFO 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 00:16:10,379 INFO 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 00:16:10,392 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 00:16:10,560 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2018-11-23 00:16:10,650 INFO 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 00:16:10,972 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 00:16:10,976 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 00:16:10,977 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 00:16:10,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:10,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:10,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:10,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:10,980 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:10,981 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:10,981 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:10,982 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:10,983 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 00:16:10,983 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:10,983 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:10,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:10,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:10,984 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:10,984 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:10,984 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:10,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:10,986 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 00:16:10,986 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:10,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:10,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:10,986 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:10,988 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:10,989 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:10,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:10,992 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 00:16:10,992 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:10,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:10,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:10,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:10,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:10,993 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:10,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:10,994 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:10,995 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 00:16:10,995 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:10,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:10,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:10,995 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:10,997 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:10,997 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,001 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 00:16:11,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,002 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,004 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 00:16:11,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,004 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,005 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,005 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,005 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,006 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 00:16:11,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,007 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,007 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,009 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,009 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 00:16:11,010 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,010 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,010 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,010 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,010 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,010 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,011 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 00:16:11,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,012 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,012 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,013 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 00:16:11,013 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,013 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,013 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,013 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,014 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,014 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,015 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 00:16:11,015 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,015 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,016 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,016 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,016 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,017 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 00:16:11,018 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,018 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,019 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,020 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,023 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 00:16:11,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,024 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,024 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,024 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,025 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 00:16:11,026 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,026 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,027 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,027 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,028 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 00:16:11,028 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,029 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,029 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,031 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 00:16:11,031 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,031 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,032 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,032 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,032 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,034 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 00:16:11,034 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,035 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,035 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,036 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,036 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 00:16:11,037 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,037 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,037 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,037 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,038 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 00:16:11,038 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,039 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 00:16:11,039 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,040 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,041 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,041 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,044 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,045 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 00:16:11,045 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,046 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 00:16:11,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,046 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,048 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 00:16:11,048 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,075 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,076 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 00:16:11,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,077 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,078 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,080 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 00:16:11,080 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,081 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,082 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,082 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,090 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,091 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 00:16:11,091 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,091 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,093 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,093 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,101 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,101 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 00:16:11,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 00:16:11,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,102 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 00:16:11,102 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,103 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 00:16:11,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 00:16:11,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,107 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 00:16:11,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,107 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 00:16:11,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,108 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,110 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 00:16:11,110 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,120 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 00:16:11,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,121 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,122 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,122 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,123 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 00:16:11,124 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 00:16:11,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 00:16:11,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 00:16:11,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 00:16:11,124 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 00:16:11,128 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 00:16:11,128 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 00:16:11,160 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 00:16:11,191 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-23 00:16:11,191 INFO L444 ModelExtractionUtils]: 31 out of 37 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 00:16:11,193 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 00:16:11,195 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 00:16:11,195 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 00:16:11,196 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2018-11-23 00:16:11,234 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2018-11-23 00:16:11,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 00:16:11,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:16:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:16:11,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:16:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:16:11,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:16:11,321 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 00:16:11,330 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-23 00:16:11,331 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2018-11-23 00:16:11,381 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 25 states and 31 transitions. Complement of second has 8 states. [2018-11-23 00:16:11,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-23 00:16:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 00:16:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2018-11-23 00:16:11,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 00:16:11,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:16:11,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-23 00:16:11,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:16:11,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-23 00:16:11,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 00:16:11,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2018-11-23 00:16:11,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:16:11,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2018-11-23 00:16:11,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 00:16:11,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 00:16:11,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 00:16:11,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 00:16:11,392 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:16:11,393 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:16:11,393 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:16:11,393 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 00:16:11,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:16:11,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:16:11,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 00:16:11,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:16:11 BoogieIcfgContainer [2018-11-23 00:16:11,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 00:16:11,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:16:11,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:16:11,397 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:16:11,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:16:09" (3/4) ... [2018-11-23 00:16:11,399 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:16:11,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:16:11,400 INFO L168 Benchmark]: Toolchain (without parser) took 2310.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:16:11,401 INFO L168 Benchmark]: CDTParser took 0.10 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 00:16:11,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:16:11,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.23 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:16:11,402 INFO L168 Benchmark]: Boogie Preprocessor took 18.91 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 00:16:11,402 INFO L168 Benchmark]: RCFGBuilder took 219.11 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:16:11,402 INFO L168 Benchmark]: BuchiAutomizer took 1716.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -42.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:16:11,403 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:16:11,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 321.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.23 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.11 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1716.49 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -42.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 10 SDtfs, 9 SDslu, 6 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax108 hnf99 lsp89 ukn86 mio100 lsp43 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 4 VariablesLoop: 4 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...