./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa22a20876a8e4326d678ff2db099090fa4b56ec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:19:03,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:19:03,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:19:03,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:19:03,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:19:03,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:19:03,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:19:03,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:19:03,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:19:03,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:19:03,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:19:03,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:19:03,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:19:03,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:19:03,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:19:03,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:19:03,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:19:03,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:19:03,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:19:03,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:19:03,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:19:03,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:19:03,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:19:03,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:19:03,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:19:03,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:19:03,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:19:03,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:19:03,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:19:03,610 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:19:03,610 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:19:03,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:19:03,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:19:03,611 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:19:03,611 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:19:03,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:19:03,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-09 23:19:03,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:19:03,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:19:03,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:19:03,624 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-09 23:19:03,624 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-09 23:19:03,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-09 23:19:03,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-09 23:19:03,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-09 23:19:03,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:19:03,626 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-09 23:19:03,627 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-09 23:19:03,627 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_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa22a20876a8e4326d678ff2db099090fa4b56ec [2018-11-09 23:19:03,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:19:03,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:19:03,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:19:03,659 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:19:03,659 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:19:03,660 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-11-09 23:19:03,694 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/data/10be60b0b/25b09fcb4d5349988ccf6892fb939657/FLAG2c3d24780 [2018-11-09 23:19:04,132 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:19:04,133 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-11-09 23:19:04,140 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/data/10be60b0b/25b09fcb4d5349988ccf6892fb939657/FLAG2c3d24780 [2018-11-09 23:19:04,149 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/bin-2019/uautomizer/data/10be60b0b/25b09fcb4d5349988ccf6892fb939657 [2018-11-09 23:19:04,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:19:04,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:19:04,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:19:04,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:19:04,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:19:04,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c475c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04, skipping insertion in model container [2018-11-09 23:19:04,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:19:04,196 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:19:04,376 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:19:04,383 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:19:04,407 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:19:04,435 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:19:04,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04 WrapperNode [2018-11-09 23:19:04,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:19:04,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:19:04,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:19:04,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:19:04,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:19:04,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:19:04,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:19:04,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:19:04,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... [2018-11-09 23:19:04,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:19:04,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:19:04,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:19:04,519 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:19:04,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc3adeb-9034-405a-80c3-9608870a920a/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 [2018-11-09 23:19:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 23:19:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:19:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:19:04,682 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:19:04,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:19:04 BoogieIcfgContainer [2018-11-09 23:19:04,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:19:04,683 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-09 23:19:04,683 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-09 23:19:04,686 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-09 23:19:04,686 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:19:04,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 11:19:04" (1/3) ... [2018-11-09 23:19:04,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@145e95b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:19:04, skipping insertion in model container [2018-11-09 23:19:04,688 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:19:04,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:19:04" (2/3) ... [2018-11-09 23:19:04,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@145e95b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:19:04, skipping insertion in model container [2018-11-09 23:19:04,688 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:19:04,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:19:04" (3/3) ... [2018-11-09 23:19:04,690 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-11-09 23:19:04,729 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:19:04,729 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-09 23:19:04,729 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-09 23:19:04,730 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-09 23:19:04,730 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:19:04,730 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:19:04,730 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-09 23:19:04,730 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:19:04,730 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-09 23:19:04,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-09 23:19:04,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-09 23:19:04,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:19:04,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:19:04,759 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-09 23:19:04,760 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-09 23:19:04,760 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-09 23:19:04,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-09 23:19:04,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-09 23:19:04,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:19:04,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:19:04,761 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-09 23:19:04,761 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-09 23:19:04,769 INFO L793 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5; 13#L550true assume !(main_~length~0 < 1); 3#L550-2true assume !(main_~n~0 < 1); 9#L553-1true assume !(main_~n~0 > main_~length~0);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;assume { :begin_inline_cbzero } true;cbzero_#in~b.base, cbzero_#in~b.offset, cbzero_#in~length := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~n~0;havoc cbzero_#t~post3.base, cbzero_#t~post3.offset, cbzero_#t~post2, cbzero_~b.base, cbzero_~b.offset, cbzero_~length, cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~b.base, cbzero_~b.offset := cbzero_#in~b.base, cbzero_#in~b.offset;cbzero_~length := cbzero_#in~length;havoc cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_~b.base, cbzero_~b.offset; 10#L544-3true [2018-11-09 23:19:04,769 INFO L795 eck$LassoCheckResult]: Loop: 10#L544-3true assume true;cbzero_#t~post2 := cbzero_~length;cbzero_~length := cbzero_#t~post2 - 1; 6#L544-1true assume !!(cbzero_#t~post2 % 4294967296 != 0);havoc cbzero_#t~post2;cbzero_#t~post3.base, cbzero_#t~post3.offset := cbzero_~p~0.base, cbzero_~p~0.offset;cbzero_~p~0.base, cbzero_~p~0.offset := cbzero_#t~post3.base, cbzero_#t~post3.offset + 1; 4#L545true SUMMARY for call write~int(0, cbzero_#t~post3.base, cbzero_#t~post3.offset, 1); srcloc: L545 5#L545-1true havoc cbzero_#t~post3.base, cbzero_#t~post3.offset; 10#L544-3true [2018-11-09 23:19:04,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:19:04,774 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-09 23:19:04,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:19:04,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:19:04,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:19:04,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:19:04,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:19:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:19:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:19:04,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:19:04,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1636551, now seen corresponding path program 1 times [2018-11-09 23:19:04,856 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:19:04,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:19:04,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:19:04,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:19:04,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:19:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:19:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:19:04,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:19:04,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1302137232, now seen corresponding path program 1 times [2018-11-09 23:19:04,872 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:19:04,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:19:04,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:19:04,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:19:04,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:19:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:19:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:19:05,125 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-11-09 23:19:05,189 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:19:05,190 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:19:05,191 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:19:05,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:19:05,191 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-09 23:19:05,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:19:05,191 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:19:05,191 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:19:05,191 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-09 23:19:05,191 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:19:05,192 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:19:05,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:19:05,730 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:19:05,734 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-09 23:19:05,736 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 [2018-11-09 23:19:05,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:19:05,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,739 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,740 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:19:05,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:19:05,743 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,743 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 [2018-11-09 23:19:05,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:19:05,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,745 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,745 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:19:05,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:19:05,746 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,746 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 [2018-11-09 23:19:05,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:19:05,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,747 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,747 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:19:05,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:19:05,748 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,748 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 [2018-11-09 23:19:05,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:19:05,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:19:05,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:19:05,750 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,751 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 [2018-11-09 23:19:05,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,752 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,753 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:19:05,753 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:19:05,757 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,757 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 [2018-11-09 23:19:05,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:19:05,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,758 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,759 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:19:05,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:19:05,760 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,760 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 [2018-11-09 23:19:05,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,761 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,764 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:19:05,764 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:19:05,778 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,779 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 [2018-11-09 23:19:05,779 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,779 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,780 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:19:05,780 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:19:05,785 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,785 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 [2018-11-09 23:19:05,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,786 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,787 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:19:05,787 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:19:05,793 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,793 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 [2018-11-09 23:19:05,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:19:05,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,794 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,795 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:19:05,795 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:19:05,796 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:19:05,796 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 [2018-11-09 23:19:05,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:19:05,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:19:05,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:19:05,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:19:05,802 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:19:05,802 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:19:05,851 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-09 23:19:05,880 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-09 23:19:05,880 INFO L444 ModelExtractionUtils]: 36 out of 43 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-09 23:19:05,882 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-09 23:19:05,883 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-09 23:19:05,884 INFO L517 LassoAnalysis]: Proved termination. [2018-11-09 23:19:05,884 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1, ULTIMATE.start_cbzero_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_#Ultimate.alloc_#res.base)_1 - 1*ULTIMATE.start_cbzero_~p~0.offset Supporting invariants [] [2018-11-09 23:19:05,919 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2018-11-09 23:19:05,925 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-09 23:19:05,927 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-09 23:19:05,927 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-11-09 23:19:05,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:19:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:19:06,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:19:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:19:06,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:19:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:19:06,085 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 [2018-11-09 23:19:06,086 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 5 states. [2018-11-09 23:19:06,152 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 7 states. [2018-11-09 23:19:06,152 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 [2018-11-09 23:19:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-09 23:19:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2018-11-09 23:19:06,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-09 23:19:06,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:19:06,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 4 letters. [2018-11-09 23:19:06,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:19:06,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 8 letters. [2018-11-09 23:19:06,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:19:06,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2018-11-09 23:19:06,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-09 23:19:06,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-09 23:19:06,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-09 23:19:06,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-09 23:19:06,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-09 23:19:06,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-09 23:19:06,162 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:19:06,162 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:19:06,162 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:19:06,163 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-09 23:19:06,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-09 23:19:06,163 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-09 23:19:06,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-09 23:19:06,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 11:19:06 BoogieIcfgContainer [2018-11-09 23:19:06,167 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-09 23:19:06,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:19:06,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:19:06,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:19:06,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:19:04" (3/4) ... [2018-11-09 23:19:06,170 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 23:19:06,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:19:06,171 INFO L168 Benchmark]: Toolchain (without parser) took 2020.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:19:06,172 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:19:06,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:19:06,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:19:06,173 INFO L168 Benchmark]: Boogie Preprocessor took 14.61 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:19:06,173 INFO L168 Benchmark]: RCFGBuilder took 164.32 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:19:06,174 INFO L168 Benchmark]: BuchiAutomizer took 1484.07 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: -9.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:19:06,174 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:19:06,177 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.61 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164.32 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1484.07 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: -9.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res * 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[#Ultimate.alloc_#res] + -1 * p and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 16 SDslu, 11 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf98 lsp95 ukn110 mio100 lsp51 div154 bol100 ite100 ukn100 eq176 hnf73 smp95 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms 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...