./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/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 ebb74e337af9534aacfcb2a7a413bdbed21e04b2 ..................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:28:56,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:28:56,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:28:56,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:28:56,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:28:56,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:28:56,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:28:56,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:28:56,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:28:56,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:28:56,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:28:56,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:28:56,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:28:56,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:28:56,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:28:56,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:28:56,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:28:56,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:28:56,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:28:56,807 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:28:56,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:28:56,808 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:28:56,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:28:56,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:28:56,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:28:56,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:28:56,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:28:56,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:28:56,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:28:56,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:28:56,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:28:56,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:28:56,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:28:56,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:28:56,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:28:56,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:28:56,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-22 22:28:56,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:28:56,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:28:56,823 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:28:56,824 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:28:56,824 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:28:56,824 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 22:28:56,824 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 22:28:56,824 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 22:28:56,824 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 22:28:56,824 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 22:28:56,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 22:28:56,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:28:56,826 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 22:28:56,826 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:28:56,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 22:28:56,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:28:56,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:28:56,826 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 22:28:56,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:28:56,827 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:28:56,827 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 22:28:56,827 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 22:28:56,827 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_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/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 -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2018-11-22 22:28:56,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:28:56,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:28:56,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:28:56,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:28:56,865 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:28:56,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-22 22:28:56,908 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/data/9090bef43/91ae592ca19445a381b7fb2670004ba7/FLAGe0894baf9 [2018-11-22 22:28:57,300 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:28:57,300 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-22 22:28:57,303 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/data/9090bef43/91ae592ca19445a381b7fb2670004ba7/FLAGe0894baf9 [2018-11-22 22:28:57,311 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/data/9090bef43/91ae592ca19445a381b7fb2670004ba7 [2018-11-22 22:28:57,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:28:57,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:28:57,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:28:57,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:28:57,318 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:28:57,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213ccf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57, skipping insertion in model container [2018-11-22 22:28:57,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:28:57,337 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:28:57,431 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:28:57,433 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:28:57,441 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:28:57,448 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:28:57,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57 WrapperNode [2018-11-22 22:28:57,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:28:57,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:28:57,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:28:57,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:28:57,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:28:57,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:28:57,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:28:57,472 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:28:57,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... [2018-11-22 22:28:57,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:28:57,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:28:57,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:28:57,484 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:28:57,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/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 [2018-11-22 22:28:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:28:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:28:57,646 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:28:57,646 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 22:28:57,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:28:57 BoogieIcfgContainer [2018-11-22 22:28:57,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:28:57,647 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 22:28:57,648 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 22:28:57,651 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 22:28:57,652 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:28:57,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 10:28:57" (1/3) ... [2018-11-22 22:28:57,653 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c22f538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:28:57, skipping insertion in model container [2018-11-22 22:28:57,653 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:28:57,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:28:57" (2/3) ... [2018-11-22 22:28:57,654 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c22f538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:28:57, skipping insertion in model container [2018-11-22 22:28:57,654 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:28:57,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:28:57" (3/3) ... [2018-11-22 22:28:57,655 INFO L375 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-22 22:28:57,702 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:28:57,703 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 22:28:57,703 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 22:28:57,703 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 22:28:57,703 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:28:57,703 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:28:57,703 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 22:28:57,704 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:28:57,704 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 22:28:57,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-22 22:28:57,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-22 22:28:57,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 22:28:57,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 22:28:57,731 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 22:28:57,731 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-22 22:28:57,731 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 22:28:57,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-22 22:28:57,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-22 22:28:57,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 22:28:57,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 22:28:57,732 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 22:28:57,732 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-22 22:28:57,739 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~q~0, main_~y~0;havoc main_~q~0;havoc main_~y~0;main_~q~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L18-2true [2018-11-22 22:28:57,739 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(main_~q~0 > 0); 7#L18true assume main_~y~0 > 0;main_~q~0 := main_~q~0 - main_~y~0 - 1; 5#L18-2true [2018-11-22 22:28:57,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:28:57,744 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-22 22:28:57,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:28:57,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:28:57,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:28:57,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:28:57,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:28:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:28:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:28:57,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:28:57,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-11-22 22:28:57,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:28:57,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:28:57,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:28:57,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:28:57,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:28:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:28:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:28:57,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:28:57,828 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-11-22 22:28:57,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:28:57,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:28:57,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:28:57,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:28:57,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:28:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:28:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:28:57,874 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 22:28:57,875 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 22:28:57,875 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 22:28:57,875 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 22:28:57,875 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 22:28:57,875 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:28:57,875 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 22:28:57,876 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 22:28:57,876 INFO L131 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-22 22:28:57,876 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 22:28:57,876 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 22:28:57,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:28:57,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:28:57,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:28:57,974 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 22:28:57,975 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:28:57,979 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:28:57,979 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:28:58,007 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 22:28:58,007 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:28:58,014 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:28:58,015 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:28:58,031 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 22:28:58,031 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:28:58,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:28:58,037 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae13a1c0-4cd1-40e8-8fa0-37e5b66c4908/bin-2019/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:28:58,056 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 22:28:58,056 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:28:58,092 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 22:28:58,093 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 22:28:58,093 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 22:28:58,093 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 22:28:58,093 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 22:28:58,093 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 22:28:58,093 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:28:58,093 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 22:28:58,093 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 22:28:58,093 INFO L131 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-22 22:28:58,093 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 22:28:58,094 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 22:28:58,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:28:58,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:28:58,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:28:58,159 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 22:28:58,162 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 22:28:58,163 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 [2018-11-22 22:28:58,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:28:58,165 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:28:58,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:28:58,165 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:28:58,169 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 22:28:58,169 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 22:28:58,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 22:28:58,176 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 [2018-11-22 22:28:58,177 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:28:58,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:28:58,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:28:58,177 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:28:58,179 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 22:28:58,179 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 22:28:58,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 22:28:58,187 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 [2018-11-22 22:28:58,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:28:58,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 22:28:58,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:28:58,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:28:58,189 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:28:58,189 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 22:28:58,189 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 22:28:58,196 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 22:28:58,199 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2018-11-22 22:28:58,199 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-22 22:28:58,201 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 22:28:58,201 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 22:28:58,201 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 22:28:58,202 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2018-11-22 22:28:58,203 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 22:28:58,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:28:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:28:58,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:28:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:28:58,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:28:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:28:58,269 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-22 22:28:58,270 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2018-11-22 22:28:58,298 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 7 states. [2018-11-22 22:28:58,298 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 [2018-11-22 22:28:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-22 22:28:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2018-11-22 22:28:58,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-22 22:28:58,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:28:58,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-22 22:28:58,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:28:58,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-22 22:28:58,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:28:58,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2018-11-22 22:28:58,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:28:58,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2018-11-22 22:28:58,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 22:28:58,306 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 22:28:58,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 22:28:58,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 22:28:58,307 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:28:58,307 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:28:58,307 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:28:58,307 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 22:28:58,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:28:58,307 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:28:58,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 22:28:58,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 10:28:58 BoogieIcfgContainer [2018-11-22 22:28:58,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 22:28:58,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:28:58,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:28:58,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:28:58,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:28:57" (3/4) ... [2018-11-22 22:28:58,314 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:28:58,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:28:58,315 INFO L168 Benchmark]: Toolchain (without parser) took 1001.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -100.1 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:28:58,316 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:28:58,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.70 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:28:58,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.58 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:28:58,317 INFO L168 Benchmark]: Boogie Preprocessor took 12.19 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:28:58,317 INFO L168 Benchmark]: RCFGBuilder took 162.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:28:58,318 INFO L168 Benchmark]: BuchiAutomizer took 663.89 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: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:28:58,318 INFO L168 Benchmark]: Witness Printer took 2.86 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. [2018-11-22 22:28:58,320 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.70 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.58 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.19 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 162.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 663.89 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: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 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.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 q and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf92 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...