./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/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 0a93871a8dae316852c5fe296af5e1db1eea1d37 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:28:43,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:28:43,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:28:43,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:28:43,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:28:43,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:28:43,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:28:43,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:28:43,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:28:43,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:28:43,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:28:43,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:28:43,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:28:43,663 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:28:43,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:28:43,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:28:43,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:28:43,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:28:43,667 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:28:43,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:28:43,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:28:43,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:28:43,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:28:43,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:28:43,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:28:43,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:28:43,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:28:43,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:28:43,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:28:43,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:28:43,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:28:43,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:28:43,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:28:43,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:28:43,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:28:43,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:28:43,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 13:28:43,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:28:43,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:28:43,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:28:43,689 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:28:43,689 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:28:43,689 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 13:28:43,689 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 13:28:43,689 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 13:28:43,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:28:43,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 13:28:43,691 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 13:28:43,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 13:28:43,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:28:43,691 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 13:28:43,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 13:28:43,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:28:43,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:28:43,692 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 13:28:43,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:28:43,692 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:28:43,692 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 13:28:43,692 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 13:28:43,692 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_0497527b-e39b-483d-81ea-85e4fa6e7c16/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 -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2018-11-10 13:28:43,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:28:43,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:28:43,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:28:43,724 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:28:43,724 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:28:43,725 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-10 13:28:43,759 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/data/d1dc1e7e7/18df2cae4cfa48babe0933d292e416dd/FLAGd6608f567 [2018-11-10 13:28:44,155 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:28:44,156 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-10 13:28:44,159 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/data/d1dc1e7e7/18df2cae4cfa48babe0933d292e416dd/FLAGd6608f567 [2018-11-10 13:28:44,167 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/bin-2019/uautomizer/data/d1dc1e7e7/18df2cae4cfa48babe0933d292e416dd [2018-11-10 13:28:44,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:28:44,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:28:44,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:28:44,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:28:44,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:28:44,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79444f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44, skipping insertion in model container [2018-11-10 13:28:44,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:28:44,195 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:28:44,294 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:28:44,301 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:28:44,308 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:28:44,317 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:28:44,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44 WrapperNode [2018-11-10 13:28:44,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:28:44,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:28:44,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:28:44,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:28:44,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:28:44,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:28:44,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:28:44,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:28:44,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... [2018-11-10 13:28:44,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:28:44,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:28:44,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:28:44,352 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:28:44,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0497527b-e39b-483d-81ea-85e4fa6e7c16/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 [2018-11-10 13:28:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 13:28:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:28:44,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:28:44,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 13:28:44,526 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:28:44,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:44 BoogieIcfgContainer [2018-11-10 13:28:44,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:28:44,527 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 13:28:44,527 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 13:28:44,530 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 13:28:44,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:28:44,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:28:44" (1/3) ... [2018-11-10 13:28:44,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bd41488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:28:44, skipping insertion in model container [2018-11-10 13:28:44,531 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:28:44,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:28:44" (2/3) ... [2018-11-10 13:28:44,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bd41488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:28:44, skipping insertion in model container [2018-11-10 13:28:44,532 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:28:44,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:44" (3/3) ... [2018-11-10 13:28:44,533 INFO L375 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-10 13:28:44,568 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:28:44,569 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 13:28:44,569 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 13:28:44,569 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 13:28:44,569 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:28:44,569 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:28:44,569 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 13:28:44,569 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:28:44,569 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 13:28:44,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-10 13:28:44,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-10 13:28:44,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:28:44,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:28:44,593 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:28:44,593 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:44,593 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 13:28:44,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-10 13:28:44,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-11-10 13:28:44,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:28:44,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:28:44,595 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:28:44,595 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:28:44,602 INFO L793 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~nondet1, main_#t~mem3, main_#t~post4, main_#t~mem2, main_~p~0.base, main_~p~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 15#L14true SUMMARY for call write~int(main_#t~nondet1, main_~p~0.base, main_~p~0.offset, 4); srcloc: L14 11#L14-1true havoc main_#t~nondet1; 9#L15-4true [2018-11-10 13:28:44,602 INFO L795 eck$LassoCheckResult]: Loop: 9#L15-4true assume true; 16#L15-1true SUMMARY for call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4); srcloc: L15-1 12#L15-2true assume !!(main_#t~mem2 >= 0);havoc main_#t~mem2; 4#L16true SUMMARY for call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4); srcloc: L16 3#L16-1true main_#t~post4 := main_#t~mem3; 17#L16-2true SUMMARY for call write~int(main_#t~post4 - 1, main_~p~0.base, main_~p~0.offset, 4); srcloc: L16-2 13#L16-3true havoc main_#t~mem3;havoc main_#t~post4; 9#L15-4true [2018-11-10 13:28:44,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash 925540, now seen corresponding path program 1 times [2018-11-10 13:28:44,610 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:28:44,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:28:44,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:44,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:44,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:44,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:44,693 INFO L82 PathProgramCache]: Analyzing trace with hash 553543086, now seen corresponding path program 1 times [2018-11-10 13:28:44,693 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:28:44,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:28:44,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:44,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:44,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:44,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:44,706 INFO L82 PathProgramCache]: Analyzing trace with hash 95666411, now seen corresponding path program 1 times [2018-11-10 13:28:44,706 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:28:44,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:28:44,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:44,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:28:44,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:28:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:28:44,914 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 13:28:44,915 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 13:28:44,915 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 13:28:44,915 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 13:28:44,916 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 13:28:44,916 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 13:28:44,916 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 13:28:44,916 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 13:28:44,916 INFO L131 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01_true-no-overflow_true-termination.c_Iteration1_Lasso [2018-11-10 13:28:44,916 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 13:28:44,916 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 13:28:44,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:44,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:44,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:44,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:44,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:44,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:45,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:45,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 13:28:45,267 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 13:28:45,271 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 13:28:45,273 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 [2018-11-10 13:28:45,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:28:45,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,277 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:28:45,277 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:28:45,279 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,280 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 [2018-11-10 13:28:45,280 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,280 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:28:45,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,281 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:28:45,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:28:45,283 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,283 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 [2018-11-10 13:28:45,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:28:45,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,285 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:28:45,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:28:45,286 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,286 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 [2018-11-10 13:28:45,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,287 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 13:28:45,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,288 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 13:28:45,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 13:28:45,289 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,289 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 [2018-11-10 13:28:45,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,293 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:28:45,293 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,297 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,297 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 [2018-11-10 13:28:45,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,298 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,300 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:28:45,301 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,308 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,308 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 [2018-11-10 13:28:45,309 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,309 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,311 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:28:45,312 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,319 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,319 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 [2018-11-10 13:28:45,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,323 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,326 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:28:45,326 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,344 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,345 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 [2018-11-10 13:28:45,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,345 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-10 13:28:45,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,346 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,348 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-10 13:28:45,348 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,358 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,358 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 [2018-11-10 13:28:45,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,359 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,360 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:28:45,360 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,363 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 13:28:45,363 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 [2018-11-10 13:28:45,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 13:28:45,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 13:28:45,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 13:28:45,364 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 13:28:45,365 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 13:28:45,365 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 13:28:45,375 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 13:28:45,380 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 13:28:45,381 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-10 13:28:45,382 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 13:28:45,386 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-10 13:28:45,386 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 13:28:45,387 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2018-11-10 13:28:45,401 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-10 13:28:45,405 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 13:28:45,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:28:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:45,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:28:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:28:45,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 13:28:45,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 13:28:45,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2018-11-10 13:28:45,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2018-11-10 13:28:45,522 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 13:28:45,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 13:28:45,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 13:28:45,539 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:20 [2018-11-10 13:28:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:28:45,563 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2018-11-10 13:28:45,564 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 8 states. [2018-11-10 13:28:45,617 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 8 states. Result 31 states and 33 transitions. Complement of second has 13 states. [2018-11-10 13:28:45,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2018-11-10 13:28:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-10 13:28:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2018-11-10 13:28:45,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 4 letters. Loop has 7 letters. [2018-11-10 13:28:45,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:28:45,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 11 letters. Loop has 7 letters. [2018-11-10 13:28:45,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:28:45,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 4 letters. Loop has 14 letters. [2018-11-10 13:28:45,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 13:28:45,622 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 33 transitions. [2018-11-10 13:28:45,623 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:28:45,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2018-11-10 13:28:45,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 13:28:45,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 13:28:45,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 13:28:45,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 13:28:45,627 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:28:45,627 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:28:45,627 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:28:45,627 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 13:28:45,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:28:45,627 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 13:28:45,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 13:28:45,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:28:45 BoogieIcfgContainer [2018-11-10 13:28:45,631 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 13:28:45,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:28:45,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:28:45,632 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:28:45,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:28:44" (3/4) ... [2018-11-10 13:28:45,635 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:28:45,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:28:45,636 INFO L168 Benchmark]: Toolchain (without parser) took 1466.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 959.1 MB in the beginning and 937.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:45,637 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:28:45,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 947.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:45,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.13 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:28:45,638 INFO L168 Benchmark]: Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:45,639 INFO L168 Benchmark]: RCFGBuilder took 174.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:45,639 INFO L168 Benchmark]: BuchiAutomizer took 1104.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 170.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:28:45,640 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 937.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:28:45,643 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 947.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.13 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.59 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 174.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1104.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 937.4 MB in the end (delta: 170.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 937.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 9 SDtfs, 12 SDslu, 15 SDs, 0 SdLazy, 20 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital106 mio100 ax100 hnf100 lsp94 ukn87 mio100 lsp35 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...