./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/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 422e0eaf2d7a917ba2bde807c111198f2d7aea19 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:59:03,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:59:03,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:59:03,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:59:03,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:59:03,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:59:03,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:59:03,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:59:03,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:59:03,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:59:03,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:59:03,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:59:03,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:59:03,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:59:03,163 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:59:03,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:59:03,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:59:03,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:59:03,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:59:03,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:59:03,167 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:59:03,168 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:59:03,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:59:03,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:59:03,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:59:03,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:59:03,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:59:03,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:59:03,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:59:03,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:59:03,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:59:03,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:59:03,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:59:03,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:59:03,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:59:03,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:59:03,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-09 10:59:03,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:59:03,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:59:03,181 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:59:03,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:59:03,182 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 10:59:03,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 10:59:03,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 10:59:03,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:59:03,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:59:03,184 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 10:59:03,184 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:59:03,184 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:59:03,184 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 10:59:03,184 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 10:59:03,184 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_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/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 -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2018-12-09 10:59:03,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:59:03,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:59:03,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:59:03,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:59:03,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:59:03,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i [2018-12-09 10:59:03,245 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/data/7196f3fee/feccd1e3b6a6440abdeff1b8e3caeae7/FLAG937a2fbe2 [2018-12-09 10:59:03,709 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:59:03,710 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/sv-benchmarks/c/termination-memory-alloca/b.02-alloca_true-termination_true-no-overflow.c.i [2018-12-09 10:59:03,715 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/data/7196f3fee/feccd1e3b6a6440abdeff1b8e3caeae7/FLAG937a2fbe2 [2018-12-09 10:59:04,230 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/bin-2019/uautomizer/data/7196f3fee/feccd1e3b6a6440abdeff1b8e3caeae7 [2018-12-09 10:59:04,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:59:04,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:59:04,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:59:04,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:59:04,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:59:04,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c091ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04, skipping insertion in model container [2018-12-09 10:59:04,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:59:04,267 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:59:04,426 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:59:04,435 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:59:04,491 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:59:04,510 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:59:04,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04 WrapperNode [2018-12-09 10:59:04,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:59:04,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:59:04,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:59:04,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:59:04,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:59:04,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:59:04,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:59:04,536 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:59:04,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... [2018-12-09 10:59:04,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:59:04,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:59:04,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:59:04,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:59:04,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b07c750-3ff7-40b0-8a4c-af4a91a2626b/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 [2018-12-09 10:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 10:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 10:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:59:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:59:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:59:04,693 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:59:04,693 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 10:59:04,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:59:04 BoogieIcfgContainer [2018-12-09 10:59:04,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:59:04,694 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 10:59:04,694 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 10:59:04,696 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 10:59:04,697 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:59:04,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 10:59:04" (1/3) ... [2018-12-09 10:59:04,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7db572ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 10:59:04, skipping insertion in model container [2018-12-09 10:59:04,698 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:59:04,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:59:04" (2/3) ... [2018-12-09 10:59:04,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7db572ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 10:59:04, skipping insertion in model container [2018-12-09 10:59:04,698 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 10:59:04,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:59:04" (3/3) ... [2018-12-09 10:59:04,699 INFO L375 chiAutomizerObserver]: Analyzing ICFG b.02-alloca_true-termination_true-no-overflow.c.i [2018-12-09 10:59:04,732 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:59:04,733 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 10:59:04,733 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 10:59:04,733 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 10:59:04,733 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:59:04,733 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:59:04,733 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 10:59:04,733 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:59:04,733 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 10:59:04,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-09 10:59:04,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 10:59:04,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:59:04,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:59:04,760 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-09 10:59:04,760 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 10:59:04,760 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 10:59:04,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-09 10:59:04,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-09 10:59:04,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 10:59:04,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 10:59:04,761 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-09 10:59:04,761 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-09 10:59:04,766 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L555-3true [2018-12-09 10:59:04,766 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 5#L555-3true [2018-12-09 10:59:04,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:04,770 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-12-09 10:59:04,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:04,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:04,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:04,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:04,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:04,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:04,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-12-09 10:59:04,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:04,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:04,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:04,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:04,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:04,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:04,876 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-12-09 10:59:04,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:59:04,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:59:04,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:04,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:59:04,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:59:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:59:05,148 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2018-12-09 10:59:05,235 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 10:59:05,236 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 10:59:05,236 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 10:59:05,236 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 10:59:05,236 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 10:59:05,236 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 10:59:05,236 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 10:59:05,236 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 10:59:05,236 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.02-alloca_true-termination_true-no-overflow.c.i_Iteration1_Lasso [2018-12-09 10:59:05,236 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 10:59:05,237 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 10:59:05,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 10:59:05,726 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 10:59:05,729 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 10:59:05,731 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 [2018-12-09 10:59:05,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:59:05,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,735 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:59:05,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:59:05,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:59:05,737 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 [2018-12-09 10:59:05,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:59:05,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,738 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,738 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:59:05,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:59:05,739 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:59:05,739 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 [2018-12-09 10:59:05,740 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,740 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:59:05,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,740 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,741 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:59:05,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:59:05,741 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:59:05,742 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 [2018-12-09 10:59:05,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:59:05,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,743 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,743 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,743 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:59:05,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:59:05,744 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:59:05,744 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 [2018-12-09 10:59:05,745 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,745 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,747 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 10:59:05,747 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 10:59:05,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:59:05,750 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 [2018-12-09 10:59:05,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 10:59:05,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,751 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 10:59:05,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 10:59:05,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 10:59:05,753 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 [2018-12-09 10:59:05,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 10:59:05,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 10:59:05,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 10:59:05,753 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 10:59:05,757 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 10:59:05,757 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-09 10:59:05,777 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 10:59:05,786 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 10:59:05,786 INFO L444 ModelExtractionUtils]: 25 out of 28 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 10:59:05,787 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 10:59:05,788 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-09 10:59:05,788 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 10:59:05,789 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2018-12-09 10:59:05,837 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2018-12-09 10:59:05,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 10:59:05,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 10:59:05,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:59:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:05,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:59:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:59:05,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:59:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:59:05,894 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-09 10:59:05,894 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2018-12-09 10:59:05,926 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2018-12-09 10:59:05,927 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 [2018-12-09 10:59:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-09 10:59:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2018-12-09 10:59:05,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2018-12-09 10:59:05,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 10:59:05,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2018-12-09 10:59:05,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 10:59:05,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2018-12-09 10:59:05,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 10:59:05,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2018-12-09 10:59:05,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 10:59:05,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2018-12-09 10:59:05,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 10:59:05,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 10:59:05,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 10:59:05,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 10:59:05,934 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:59:05,934 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:59:05,934 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:59:05,934 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 10:59:05,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:59:05,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 10:59:05,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 10:59:05,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 10:59:05 BoogieIcfgContainer [2018-12-09 10:59:05,938 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 10:59:05,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:59:05,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:59:05,938 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:59:05,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:59:04" (3/4) ... [2018-12-09 10:59:05,941 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 10:59:05,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:59:05,942 INFO L168 Benchmark]: Toolchain (without parser) took 1709.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 810.1 MB in the end (delta: 140.5 MB). Peak memory consumption was 253.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:05,942 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:59:05,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:05,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:59:05,943 INFO L168 Benchmark]: Boogie Preprocessor took 13.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:05,944 INFO L168 Benchmark]: RCFGBuilder took 144.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:05,944 INFO L168 Benchmark]: BuchiAutomizer took 1243.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 810.1 MB in the end (delta: 265.8 MB). Peak memory consumption was 265.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:59:05,944 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 1.1 GB. Free memory is still 810.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:59:05,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1243.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 810.1 MB in the end (delta: 265.8 MB). Peak memory consumption was 265.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.21 ms. Allocated memory is still 1.1 GB. Free memory is still 810.1 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 - 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 -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp92 ukn55 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 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...