./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/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 7711c52d03cf170922076ef9d83d98ea57ca0c02 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:51:53,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:51:53,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:51:53,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:51:53,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:51:53,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:51:53,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:51:53,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:51:53,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:51:53,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:51:53,067 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:51:53,067 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:51:53,068 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:51:53,068 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:51:53,069 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:51:53,069 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:51:53,070 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:51:53,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:51:53,071 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:51:53,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:51:53,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:51:53,073 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:51:53,074 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:51:53,074 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:51:53,074 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:51:53,075 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:51:53,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:51:53,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:51:53,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:51:53,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:51:53,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:51:53,077 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:51:53,077 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:51:53,077 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:51:53,078 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:51:53,078 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:51:53,078 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-01 22:51:53,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:51:53,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:51:53,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:51:53,087 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:51:53,087 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:51:53,087 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 22:51:53,087 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 22:51:53,087 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 22:51:53,087 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 22:51:53,087 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 22:51:53,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 22:51:53,088 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:51:53,089 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 22:51:53,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:51:53,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:51:53,089 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 22:51:53,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:51:53,089 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 22:51:53,089 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 22:51:53,090 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 22:51:53,090 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_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/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 -> 7711c52d03cf170922076ef9d83d98ea57ca0c02 [2018-12-01 22:51:53,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:51:53,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:51:53,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:51:53,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:51:53,116 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:51:53,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c [2018-12-01 22:51:53,152 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/data/78506a0fd/d6c680c4e5e7480eb9e4f693d4078f7f/FLAG304ac4ffe [2018-12-01 22:51:53,554 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:51:53,554 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/sv-benchmarks/c/termination-restricted-15/b.11_true-termination_true-no-overflow.c [2018-12-01 22:51:53,557 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/data/78506a0fd/d6c680c4e5e7480eb9e4f693d4078f7f/FLAG304ac4ffe [2018-12-01 22:51:53,565 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/data/78506a0fd/d6c680c4e5e7480eb9e4f693d4078f7f [2018-12-01 22:51:53,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:51:53,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:51:53,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:51:53,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:51:53,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:51:53,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53, skipping insertion in model container [2018-12-01 22:51:53,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:51:53,585 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:51:53,665 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:51:53,667 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:51:53,676 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:51:53,683 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:51:53,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53 WrapperNode [2018-12-01 22:51:53,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:51:53,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:51:53,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:51:53,684 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:51:53,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:51:53,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:51:53,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:51:53,703 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:51:53,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... [2018-12-01 22:51:53,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:51:53,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:51:53,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:51:53,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:51:53,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:51:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:51:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:51:53,851 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:51:53,851 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 22:51:53,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:51:53 BoogieIcfgContainer [2018-12-01 22:51:53,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:51:53,852 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 22:51:53,852 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 22:51:53,854 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 22:51:53,855 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 22:51:53,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 10:51:53" (1/3) ... [2018-12-01 22:51:53,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14ad2c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 10:51:53, skipping insertion in model container [2018-12-01 22:51:53,856 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 22:51:53,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:51:53" (2/3) ... [2018-12-01 22:51:53,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14ad2c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 10:51:53, skipping insertion in model container [2018-12-01 22:51:53,856 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 22:51:53,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:51:53" (3/3) ... [2018-12-01 22:51:53,857 INFO L375 chiAutomizerObserver]: Analyzing ICFG b.11_true-termination_true-no-overflow.c [2018-12-01 22:51:53,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:51:53,895 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 22:51:53,895 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 22:51:53,895 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 22:51:53,895 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:51:53,895 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:51:53,895 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 22:51:53,895 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:51:53,895 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 22:51:53,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-01 22:51:53,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:51:53,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:51:53,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:51:53,922 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 22:51:53,922 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 22:51:53,923 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 22:51:53,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-01 22:51:53,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:51:53,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:51:53,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:51:53,924 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 22:51:53,924 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-01 22:51:53,928 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 8#L15-2true [2018-12-01 22:51:53,928 INFO L796 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(((main_~x~0 >= 0 && main_~y~0 < 2147483647 - main_~x~0) || (main_~x~0 < 0 && main_~y~0 > -2147483648 - main_~x~0)) && main_~x~0 + main_~y~0 > 0); 6#L12true assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - 1; 8#L15-2true [2018-12-01 22:51:53,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:51:53,932 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-01 22:51:53,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:51:53,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:51:53,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:51:53,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:51:53,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:51:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:51:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:51:53,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:51:53,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-12-01 22:51:53,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:51:53,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:51:53,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:51:53,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:51:53,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:51:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:51:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:51:54,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:51:54,006 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-12-01 22:51:54,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:51:54,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:51:54,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:51:54,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:51:54,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:51:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:51:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:51:54,070 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:51:54,071 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:51:54,071 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:51:54,071 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:51:54,071 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:51:54,072 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:51:54,072 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:51:54,072 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:51:54,072 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-01 22:51:54,072 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:51:54,072 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:51:54,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:51:54,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:51:54,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:51:54,157 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:51:54,158 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/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 [2018-12-01 22:51:54,161 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:51:54,161 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:51:54,189 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:51:54,189 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_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/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 [2018-12-01 22:51:54,191 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:51:54,192 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:51:54,207 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:51:54,207 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_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/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 [2018-12-01 22:51:54,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:51:54,210 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/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 [2018-12-01 22:51:54,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:51:54,237 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:52:10,374 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-01 22:52:10,380 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:52:10,380 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:52:10,380 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:52:10,380 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:52:10,380 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:52:10,380 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:10,380 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:52:10,381 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:52:10,381 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-01 22:52:10,381 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:52:10,381 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:52:10,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:10,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:10,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:10,434 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:52:10,437 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:52:10,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:52:10,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:52:10,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:52:10,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:52:10,439 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:52:10,442 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:52:10,442 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 22:52:10,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:52:10,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:52:10,447 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:52:10,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:52:10,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:52:10,447 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:52:10,448 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:52:10,449 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 22:52:10,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:52:10,453 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:52:10,453 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:52:10,453 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:52:10,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:52:10,454 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:52:10,454 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:52:10,454 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:52:10,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:52:10,460 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 22:52:10,464 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 22:52:10,464 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-12-01 22:52:10,465 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 22:52:10,465 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 22:52:10,466 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 22:52:10,466 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-12-01 22:52:10,467 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 22:52:10,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:52:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:52:10,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:52:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:52:10,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:52:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:52:10,514 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-01 22:52:10,514 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2018-12-01 22:52:10,542 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 33 transitions. Complement of second has 7 states. [2018-12-01 22:52:10,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-01 22:52:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-01 22:52:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-12-01 22:52:10,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 1 letters. Loop has 2 letters. [2018-12-01 22:52:10,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:52:10,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2018-12-01 22:52:10,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:52:10,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 1 letters. Loop has 4 letters. [2018-12-01 22:52:10,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:52:10,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 33 transitions. [2018-12-01 22:52:10,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:52:10,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 10 states and 14 transitions. [2018-12-01 22:52:10,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-12-01 22:52:10,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-12-01 22:52:10,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2018-12-01 22:52:10,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 22:52:10,556 INFO L705 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2018-12-01 22:52:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2018-12-01 22:52:10,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-12-01 22:52:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-01 22:52:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-12-01 22:52:10,573 INFO L728 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2018-12-01 22:52:10,573 INFO L608 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2018-12-01 22:52:10,573 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 22:52:10,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 13 transitions. [2018-12-01 22:52:10,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:52:10,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:52:10,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:52:10,574 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 22:52:10,574 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-01 22:52:10,574 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 73#L15-2 assume !!(((main_~x~0 >= 0 && main_~y~0 < 2147483647 - main_~x~0) || (main_~x~0 < 0 && main_~y~0 > -2147483648 - main_~x~0)) && main_~x~0 + main_~y~0 > 0); 74#L12 [2018-12-01 22:52:10,574 INFO L796 eck$LassoCheckResult]: Loop: 74#L12 assume !(main_~x~0 > main_~y~0); 67#L15 assume !(main_~x~0 == main_~y~0);main_~y~0 := main_~y~0 - 1; 68#L15-2 assume !!(((main_~x~0 >= 0 && main_~y~0 < 2147483647 - main_~x~0) || (main_~x~0 < 0 && main_~y~0 > -2147483648 - main_~x~0)) && main_~x~0 + main_~y~0 > 0); 74#L12 [2018-12-01 22:52:10,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:52:10,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-01 22:52:10,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:52:10,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:52:10,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:52:10,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:52:10,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:52:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:52:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:52:10,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:52:10,581 INFO L82 PathProgramCache]: Analyzing trace with hash 44836, now seen corresponding path program 1 times [2018-12-01 22:52:10,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:52:10,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:52:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:52:10,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:52:10,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:52:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:52:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:52:10,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:52:10,592 INFO L82 PathProgramCache]: Analyzing trace with hash 29865627, now seen corresponding path program 1 times [2018-12-01 22:52:10,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:52:10,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:52:10,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:52:10,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:52:10,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:52:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:52:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:52:10,637 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:52:10,637 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:52:10,637 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:52:10,638 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:52:10,638 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:52:10,638 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:10,638 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:52:10,638 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:52:10,638 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-01 22:52:10,638 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:52:10,638 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:52:10,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:10,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:10,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:10,720 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:52:10,720 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:10,722 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:52:10,722 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:52:10,738 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:52:10,738 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:10,741 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:52:10,741 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:52:10,757 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:52:10,757 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:10,760 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:52:10,760 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfd7e6b6-c576-4471-8f96-02fa78d20ad6/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:10,777 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:52:10,777 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:52:27,094 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-01 22:52:27,104 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:52:27,104 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:52:27,104 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:52:27,104 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:52:27,105 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:52:27,105 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:52:27,105 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:52:27,105 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:52:27,105 INFO L131 ssoRankerPreferences]: Filename of dumped script: b.11_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-01 22:52:27,105 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:52:27,105 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:52:27,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:27,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:27,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:52:27,187 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:52:27,187 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:52:27,187 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 [2018-12-01 22:52:27,188 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:52:27,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:52:27,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:52:27,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:52:27,189 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:52:27,189 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 22:52:27,191 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:52:27,191 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:52:27,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:52:27,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:52:27,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:52:27,192 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:52:27,193 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:52:27,193 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 22:52:27,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:52:27,195 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:52:27,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:52:27,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:52:27,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:52:27,196 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:52:27,196 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:52:27,197 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:52:27,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:52:27,201 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 22:52:27,206 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-01 22:52:27,206 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-12-01 22:52:27,207 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 22:52:27,207 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 22:52:27,207 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 22:52:27,207 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2018-12-01 22:52:27,207 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 22:52:27,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:52:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:52:27,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:52:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:52:27,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:52:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:52:27,252 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-01 22:52:27,252 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 13 transitions. cyclomatic complexity: 6 Second operand 4 states. [2018-12-01 22:52:27,286 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 13 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 34 states and 50 transitions. Complement of second has 9 states. [2018-12-01 22:52:27,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-12-01 22:52:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 22:52:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2018-12-01 22:52:27,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2018-12-01 22:52:27,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:52:27,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2018-12-01 22:52:27,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:52:27,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2018-12-01 22:52:27,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:52:27,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 50 transitions. [2018-12-01 22:52:27,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 22:52:27,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2018-12-01 22:52:27,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 22:52:27,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 22:52:27,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 22:52:27,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 22:52:27,289 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:52:27,289 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:52:27,289 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:52:27,289 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 22:52:27,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:52:27,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 22:52:27,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 22:52:27,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 10:52:27 BoogieIcfgContainer [2018-12-01 22:52:27,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 22:52:27,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:52:27,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:52:27,294 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:52:27,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:51:53" (3/4) ... [2018-12-01 22:52:27,296 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 22:52:27,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:52:27,297 INFO L168 Benchmark]: Toolchain (without parser) took 33729.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 954.4 MB in the beginning and 908.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 150.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:52:27,298 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:52:27,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.63 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:52:27,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:52:27,298 INFO L168 Benchmark]: Boogie Preprocessor took 10.55 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:52:27,299 INFO L168 Benchmark]: RCFGBuilder took 138.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:52:27,299 INFO L168 Benchmark]: BuchiAutomizer took 33441.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 908.4 MB in the end (delta: 184.8 MB). Peak memory consumption was 184.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:52:27,299 INFO L168 Benchmark]: Witness Printer took 2.61 ms. Allocated memory is still 1.1 GB. Free memory is still 908.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:52:27,301 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.63 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.55 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 138.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33441.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 908.4 MB in the end (delta: 184.8 MB). Peak memory consumption was 184.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.61 ms. Allocated memory is still 1.1 GB. Free memory is still 908.4 MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 33.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 11 SDslu, 6 SDs, 0 SdLazy, 34 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf98 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq132 hnf96 smp90 dnf133 smp96 tf106 neg98 sie121 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 32.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...