./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_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_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/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 0d4863d19d9edc8c921323118a78f9e7d3499a81 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:46:53,519 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:46:53,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:46:53,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:46:53,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:46:53,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:46:53,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:46:53,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:46:53,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:46:53,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:46:53,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:46:53,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:46:53,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:46:53,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:46:53,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:46:53,540 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:46:53,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:46:53,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:46:53,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:46:53,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:46:53,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:46:53,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:46:53,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:46:53,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:46:53,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:46:53,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:46:53,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:46:53,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:46:53,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:46:53,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:46:53,553 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:46:53,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:46:53,553 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:46:53,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:46:53,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:46:53,555 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:46:53,555 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-22 23:46:53,567 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:46:53,567 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:46:53,568 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:46:53,568 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:46:53,568 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:46:53,569 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:46:53,569 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:46:53,569 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:46:53,569 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:46:53,569 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:46:53,569 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:46:53,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:46:53,570 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:46:53,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:46:53,570 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:46:53,570 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:46:53,570 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:46:53,570 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:46:53,571 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:46:53,571 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:46:53,571 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:46:53,571 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:46:53,571 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:46:53,571 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:46:53,572 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:46:53,572 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:46:53,572 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:46:53,572 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:46:53,573 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:46:53,573 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_34e993d6-166a-401b-860f-32053a51f6bb/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 -> 0d4863d19d9edc8c921323118a78f9e7d3499a81 [2018-11-22 23:46:53,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:46:53,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:46:53,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:46:53,614 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:46:53,615 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:46:53,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_true-termination_true-no-overflow.c [2018-11-22 23:46:53,660 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/data/0200c0af6/ff457f558c504554a7c55891a23802d1/FLAG20acfb5be [2018-11-22 23:46:54,016 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:46:54,016 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_true-termination_true-no-overflow.c [2018-11-22 23:46:54,021 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/data/0200c0af6/ff457f558c504554a7c55891a23802d1/FLAG20acfb5be [2018-11-22 23:46:54,031 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/bin-2019/uautomizer/data/0200c0af6/ff457f558c504554a7c55891a23802d1 [2018-11-22 23:46:54,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:46:54,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:46:54,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:46:54,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:46:54,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:46:54,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54, skipping insertion in model container [2018-11-22 23:46:54,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:46:54,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:46:54,200 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:46:54,203 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:46:54,213 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:46:54,223 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:46:54,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54 WrapperNode [2018-11-22 23:46:54,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:46:54,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:46:54,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:46:54,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:46:54,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:46:54,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:46:54,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:46:54,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:46:54,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... [2018-11-22 23:46:54,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:46:54,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:46:54,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:46:54,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:46:54,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/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 23:46:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:46:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:46:54,481 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:46:54,481 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 23:46:54,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:46:54 BoogieIcfgContainer [2018-11-22 23:46:54,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:46:54,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:46:54,482 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:46:54,485 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:46:54,486 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:46:54,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:46:54" (1/3) ... [2018-11-22 23:46:54,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35aaf5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:46:54, skipping insertion in model container [2018-11-22 23:46:54,487 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:46:54,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:46:54" (2/3) ... [2018-11-22 23:46:54,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35aaf5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:46:54, skipping insertion in model container [2018-11-22 23:46:54,487 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:46:54,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:46:54" (3/3) ... [2018-11-22 23:46:54,489 INFO L375 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_true-termination_true-no-overflow.c [2018-11-22 23:46:54,533 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:46:54,534 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:46:54,534 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:46:54,534 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:46:54,534 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:46:54,534 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:46:54,534 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:46:54,534 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:46:54,534 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:46:54,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-22 23:46:54,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-22 23:46:54,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:46:54,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:46:54,561 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:46:54,562 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-22 23:46:54,562 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:46:54,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-22 23:46:54,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-22 23:46:54,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:46:54,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:46:54,563 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:46:54,563 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-22 23:46:54,568 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L17-2true [2018-11-22 23:46:54,568 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~x~0 >= 0 && main_~y~0 >= 1);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 3#L17-2true [2018-11-22 23:46:54,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:54,572 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-22 23:46:54,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:54,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:54,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:54,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:54,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:46:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:46:54,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:54,645 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-22 23:46:54,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:54,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:54,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:54,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:54,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:46:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:46:54,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-22 23:46:54,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:46:54,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:46:54,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:54,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:46:54,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:46:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:46:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:46:54,694 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:46:54,694 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:46:54,695 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:46:54,695 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:46:54,695 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:46:54,695 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:46:54,695 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:46:54,695 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:46:54,696 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-22 23:46:54,696 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:46:54,696 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:46:54,716 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 23:46:54,748 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 23:46:54,751 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 23:46:54,833 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:46:54,833 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/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 23:46:54,841 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:46:54,841 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:46:54,871 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:46:54,871 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_34e993d6-166a-401b-860f-32053a51f6bb/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 23:46:54,874 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:46:54,874 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:46:54,890 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:46:54,890 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_34e993d6-166a-401b-860f-32053a51f6bb/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 23:46:54,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:46:54,892 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34e993d6-166a-401b-860f-32053a51f6bb/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 23:46:54,912 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:46:54,912 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:46:54,940 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:46:54,941 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:46:54,941 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:46:54,941 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:46:54,942 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:46:54,942 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:46:54,942 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:46:54,942 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:46:54,942 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:46:54,942 INFO L131 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig6_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-22 23:46:54,942 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:46:54,942 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:46:54,944 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 23:46:54,946 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 23:46:54,948 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 23:46:55,021 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:46:55,025 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:46:55,027 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 23:46:55,028 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:46:55,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:46:55,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:46:55,029 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:46:55,032 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:46:55,032 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:46:55,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:46:55,039 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 23:46:55,040 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:46:55,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:46:55,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:46:55,040 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:46:55,042 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:46:55,042 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:46:55,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:46:55,050 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 23:46:55,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:46:55,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:46:55,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:46:55,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:46:55,051 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:46:55,052 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:46:55,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:46:55,059 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 23:46:55,065 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 23:46:55,065 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-22 23:46:55,067 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 23:46:55,067 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 23:46:55,067 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 23:46:55,067 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2018-11-22 23:46:55,068 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 23:46:55,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:46:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:55,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:46:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:46:55,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:46:55,123 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 23:46:55,133 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-22 23:46:55,134 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2018-11-22 23:46:55,162 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2018-11-22 23:46:55,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-22 23:46:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-22 23:46:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2018-11-22 23:46:55,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2018-11-22 23:46:55,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:46:55,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2018-11-22 23:46:55,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:46:55,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-22 23:46:55,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:46:55,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2018-11-22 23:46:55,172 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:46:55,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2018-11-22 23:46:55,175 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 23:46:55,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 23:46:55,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 23:46:55,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:46:55,176 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:46:55,176 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:46:55,176 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:46:55,177 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 23:46:55,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:46:55,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:46:55,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 23:46:55,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 11:46:55 BoogieIcfgContainer [2018-11-22 23:46:55,182 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 23:46:55,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:46:55,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:46:55,183 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:46:55,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:46:54" (3/4) ... [2018-11-22 23:46:55,186 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 23:46:55,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:46:55,187 INFO L168 Benchmark]: Toolchain (without parser) took 1152.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -118.6 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:55,189 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:46:55,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:55,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.16 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:46:55,190 INFO L168 Benchmark]: Boogie Preprocessor took 14.77 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:55,190 INFO L168 Benchmark]: RCFGBuilder took 210.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:55,191 INFO L168 Benchmark]: BuchiAutomizer took 700.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:46:55,191 INFO L168 Benchmark]: Witness Printer took 3.72 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 23:46:55,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.16 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.77 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 210.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 700.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.72 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 2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf93 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms 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...