./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/TwoFloatInterv_false-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_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/TwoFloatInterv_false-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/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 c81b642bdc34318660f50d5b284278ba8988a3d4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:51:07,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:51:07,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:51:07,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:51:07,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:51:07,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:51:07,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:51:07,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:51:07,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:51:07,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:51:07,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:51:07,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:51:07,646 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:51:07,647 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:51:07,648 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:51:07,648 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:51:07,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:51:07,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:51:07,651 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:51:07,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:51:07,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:51:07,654 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:51:07,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:51:07,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:51:07,656 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:51:07,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:51:07,657 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:51:07,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:51:07,658 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:51:07,659 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:51:07,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:51:07,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:51:07,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:51:07,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:51:07,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:51:07,661 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:51:07,661 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 03:51:07,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:51:07,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:51:07,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:51:07,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:51:07,672 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:51:07,673 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 03:51:07,673 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 03:51:07,673 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 03:51:07,673 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 03:51:07,673 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 03:51:07,673 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 03:51:07,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:51:07,673 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 03:51:07,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:51:07,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 03:51:07,675 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:51:07,675 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:51:07,675 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 03:51:07,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:51:07,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:51:07,675 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 03:51:07,676 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 03:51:07,676 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_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/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 -> c81b642bdc34318660f50d5b284278ba8988a3d4 [2018-11-23 03:51:07,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:51:07,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:51:07,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:51:07,709 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:51:07,709 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:51:07,710 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/TwoFloatInterv_false-termination_true-no-overflow.c [2018-11-23 03:51:07,746 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/data/8a3fca7ff/3e7b51dcc0824fbb9ec9f5c6be116624/FLAGef83fbe55 [2018-11-23 03:51:08,158 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:51:08,159 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/sv-benchmarks/c/termination-restricted-15/TwoFloatInterv_false-termination_true-no-overflow.c [2018-11-23 03:51:08,163 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/data/8a3fca7ff/3e7b51dcc0824fbb9ec9f5c6be116624/FLAGef83fbe55 [2018-11-23 03:51:08,172 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/data/8a3fca7ff/3e7b51dcc0824fbb9ec9f5c6be116624 [2018-11-23 03:51:08,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:51:08,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:51:08,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:51:08,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:51:08,179 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:51:08,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f711c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08, skipping insertion in model container [2018-11-23 03:51:08,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:51:08,202 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:51:08,319 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:51:08,321 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:51:08,330 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:51:08,338 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:51:08,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08 WrapperNode [2018-11-23 03:51:08,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:51:08,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:51:08,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:51:08,338 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:51:08,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:51:08,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:51:08,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:51:08,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:51:08,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2018-11-23 03:51:08,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:51:08,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:51:08,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:51:08,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:51:08,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/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 [2018-11-23 03:51:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:51:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:51:08,510 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:51:08,511 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 03:51:08,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:08 BoogieIcfgContainer [2018-11-23 03:51:08,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:51:08,511 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 03:51:08,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 03:51:08,514 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 03:51:08,514 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:51:08,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:51:08" (1/3) ... [2018-11-23 03:51:08,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@301f843b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:51:08, skipping insertion in model container [2018-11-23 03:51:08,515 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:51:08,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (2/3) ... [2018-11-23 03:51:08,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@301f843b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:51:08, skipping insertion in model container [2018-11-23 03:51:08,516 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 03:51:08,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:08" (3/3) ... [2018-11-23 03:51:08,517 INFO L375 chiAutomizerObserver]: Analyzing ICFG TwoFloatInterv_false-termination_true-no-overflow.c [2018-11-23 03:51:08,551 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:51:08,551 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 03:51:08,551 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 03:51:08,551 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 03:51:08,551 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:51:08,551 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:51:08,552 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 03:51:08,552 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:51:08,552 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 03:51:08,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 03:51:08,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-23 03:51:08,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:51:08,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:51:08,578 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 03:51:08,578 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 03:51:08,578 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 03:51:08,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 03:51:08,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-23 03:51:08,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:51:08,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:51:08,579 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 03:51:08,579 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 03:51:08,584 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L16-1true [2018-11-23 03:51:08,584 INFO L796 eck$LassoCheckResult]: Loop: 3#L16-1true assume !!(main_~i~0 > 0 && main_~i~0 < 50); 4#L10true assume main_~i~0 < 20;main_~i~0 := main_~i~0 - 1; 10#L10-2true assume main_~i~0 > 10;main_~i~0 := 1 + main_~i~0; 7#L13-1true assume 30 <= main_~i~0 && main_~i~0 <= 40;main_~i~0 := main_~i~0 - 1; 3#L16-1true [2018-11-23 03:51:08,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:08,588 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 03:51:08,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:51:08,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:51:08,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:08,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:08,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1234538, now seen corresponding path program 1 times [2018-11-23 03:51:08,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:51:08,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:51:08,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:08,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:51:08,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:51:08,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:51:08,712 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 03:51:08,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:51:08,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:51:08,727 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2018-11-23 03:51:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:51:08,828 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2018-11-23 03:51:08,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:51:08,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2018-11-23 03:51:08,832 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2018-11-23 03:51:08,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 12 states and 16 transitions. [2018-11-23 03:51:08,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2018-11-23 03:51:08,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2018-11-23 03:51:08,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2018-11-23 03:51:08,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 03:51:08,837 INFO L705 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2018-11-23 03:51:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2018-11-23 03:51:08,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 9. [2018-11-23 03:51:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 03:51:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-11-23 03:51:08,856 INFO L728 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2018-11-23 03:51:08,856 INFO L608 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2018-11-23 03:51:08,856 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 03:51:08,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 13 transitions. [2018-11-23 03:51:08,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2018-11-23 03:51:08,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 03:51:08,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 03:51:08,857 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 03:51:08,858 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 03:51:08,858 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 43#L16-1 [2018-11-23 03:51:08,858 INFO L796 eck$LassoCheckResult]: Loop: 43#L16-1 assume !!(main_~i~0 > 0 && main_~i~0 < 50); 45#L10 assume !(main_~i~0 < 20); 46#L10-2 assume main_~i~0 > 10;main_~i~0 := 1 + main_~i~0; 47#L13-1 assume 30 <= main_~i~0 && main_~i~0 <= 40;main_~i~0 := main_~i~0 - 1; 43#L16-1 [2018-11-23 03:51:08,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:08,858 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-23 03:51:08,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:51:08,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:51:08,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:08,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:08,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1236460, now seen corresponding path program 1 times [2018-11-23 03:51:08,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:51:08,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:51:08,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,864 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 03:51:08,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:08,872 INFO L82 PathProgramCache]: Analyzing trace with hash 29865611, now seen corresponding path program 1 times [2018-11-23 03:51:08,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:51:08,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:51:08,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:08,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:51:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; [L6] int i; [L7] i = __VERIFIER_nondet_int() ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [?] assume !(main_~i~0 < 20); [?] assume main_~i~0 > 10;main_~i~0 := 1 + main_~i~0; [?] assume 30 <= main_~i~0 && main_~i~0 <= 40;main_~i~0 := main_~i~0 - 1; [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; [L9] COND TRUE i > 0 && i < 50 [L10] COND FALSE !(i < 20) [L13] COND TRUE i > 10 [L14] i = i+1 [L16] COND TRUE 30 <= i && i <= 40 [L17] i = i-1 ----- [2018-11-23 03:51:08,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:51:08 BoogieIcfgContainer [2018-11-23 03:51:08,960 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 03:51:08,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:51:08,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:51:08,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:51:08,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:08" (3/4) ... [2018-11-23 03:51:08,962 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; [L6] int i; [L7] i = __VERIFIER_nondet_int() ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [?] assume !(main_~i~0 < 20); [?] assume main_~i~0 > 10;main_~i~0 := 1 + main_~i~0; [?] assume 30 <= main_~i~0 && main_~i~0 <= 40;main_~i~0 := main_~i~0 - 1; [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; [L9] COND TRUE i > 0 && i < 50 [L10] COND FALSE !(i < 20) [L13] COND TRUE i > 10 [L14] i = i+1 [L16] COND TRUE 30 <= i && i <= 40 [L17] i = i-1 ----- [2018-11-23 03:51:08,990 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_32e1d2de-8c9d-45c5-ad4e-9a02c1ecc6b5/bin-2019/uautomizer/witness.graphml [2018-11-23 03:51:08,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:51:08,991 INFO L168 Benchmark]: Toolchain (without parser) took 816.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -104.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:08,992 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:51:08,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:08,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.21 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:08,993 INFO L168 Benchmark]: Boogie Preprocessor took 10.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:51:08,994 INFO L168 Benchmark]: RCFGBuilder took 142.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:08,994 INFO L168 Benchmark]: BuchiAutomizer took 448.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:08,995 INFO L168 Benchmark]: Witness Printer took 30.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:51:08,998 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.23 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.21 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 142.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 448.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Witness Printer took 30.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 25 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@249c181d=0, \result=0, i=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; [L6] int i; [L7] i = __VERIFIER_nondet_int() ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [?] assume !(main_~i~0 < 20); [?] assume main_~i~0 > 10;main_~i~0 := 1 + main_~i~0; [?] assume 30 <= main_~i~0 && main_~i~0 <= 40;main_~i~0 := main_~i~0 - 1; [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; [L9] COND TRUE i > 0 && i < 50 [L10] COND FALSE !(i < 20) [L13] COND TRUE i > 10 [L14] i = i+1 [L16] COND TRUE 30 <= i && i <= 40 [L17] i = i-1 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_~i~0; [L6] havoc main_~i~0; [L7] main_~i~0 := main_#t~nondet0; [L7] havoc main_#t~nondet0; [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] ~i~0 := #t~nondet0; [L7] havoc #t~nondet0; [L6] int i; [L7] i = __VERIFIER_nondet_int() ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [?] assume !(main_~i~0 < 20); [?] assume main_~i~0 > 10;main_~i~0 := 1 + main_~i~0; [?] assume 30 <= main_~i~0 && main_~i~0 <= 40;main_~i~0 := main_~i~0 - 1; [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L9-L20] assume !!(main_~i~0 > 0 && main_~i~0 < 50); [L10-L12] assume !(main_~i~0 < 20); [L13-L15] assume main_~i~0 > 10; [L14] main_~i~0 := 1 + main_~i~0; [L16-L18] assume 30 <= main_~i~0 && main_~i~0 <= 40; [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L9-L20] COND FALSE !(!(main_~i~0 > 0 && main_~i~0 < 50)) [L10] COND FALSE !(main_~i~0 < 20) [L13] COND TRUE main_~i~0 > 10 [L14] main_~i~0 := 1 + main_~i~0; [L16] COND TRUE 30 <= main_~i~0 && main_~i~0 <= 40 [L17] main_~i~0 := main_~i~0 - 1; [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L9-L20] COND FALSE !(!(~i~0 > 0 && ~i~0 < 50)) [L10] COND FALSE !(~i~0 < 20) [L13] COND TRUE ~i~0 > 10 [L14] ~i~0 := 1 + ~i~0; [L16] COND TRUE 30 <= ~i~0 && ~i~0 <= 40 [L17] ~i~0 := ~i~0 - 1; [L9] COND TRUE i > 0 && i < 50 [L10] COND FALSE !(i < 20) [L13] COND TRUE i > 10 [L14] i = i+1 [L16] COND TRUE 30 <= i && i <= 40 [L17] i = i-1 ----- Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i > 0 && i < 50 [L10] COND FALSE !(i < 20) [L13] COND TRUE i > 10 [L14] i = i+1 [L16] COND TRUE 30 <= i && i <= 40 [L17] i = i-1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...