./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_03_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_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_03_false-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/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 89ce36fdd9a6142844b72609f6c752ece8563e1f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-22 21:32:47,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:32:47,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:32:47,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:32:47,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:32:47,129 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:32:47,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:32:47,131 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:32:47,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:32:47,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:32:47,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:32:47,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:32:47,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:32:47,134 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:32:47,134 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:32:47,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:32:47,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:32:47,137 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:32:47,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:32:47,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:32:47,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:32:47,141 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:32:47,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:32:47,143 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:32:47,143 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:32:47,144 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:32:47,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:32:47,145 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:32:47,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:32:47,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:32:47,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:32:47,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:32:47,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:32:47,147 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:32:47,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:32:47,148 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:32:47,148 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-22 21:32:47,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:32:47,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:32:47,160 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:32:47,160 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:32:47,160 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:32:47,161 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 21:32:47,161 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 21:32:47,161 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 21:32:47,161 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 21:32:47,161 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 21:32:47,161 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 21:32:47,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:32:47,161 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:32:47,162 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 21:32:47,163 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:32:47,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 21:32:47,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:32:47,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:32:47,163 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 21:32:47,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:32:47,163 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 21:32:47,163 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 21:32:47,164 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 21:32:47,164 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_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/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 -> 89ce36fdd9a6142844b72609f6c752ece8563e1f [2018-11-22 21:32:47,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:32:47,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:32:47,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:32:47,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:32:47,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:32:47,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_03_false-termination_true-no-overflow.c [2018-11-22 21:32:47,263 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/data/006f9cc78/b6b84f2f76a74857b9acacb0f0f5baae/FLAGdf1c3f701 [2018-11-22 21:32:47,599 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:32:47,599 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/sv-benchmarks/c/termination-restricted-15/NO_03_false-termination_true-no-overflow.c [2018-11-22 21:32:47,605 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/data/006f9cc78/b6b84f2f76a74857b9acacb0f0f5baae/FLAGdf1c3f701 [2018-11-22 21:32:48,018 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/data/006f9cc78/b6b84f2f76a74857b9acacb0f0f5baae [2018-11-22 21:32:48,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:32:48,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:32:48,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:32:48,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:32:48,024 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:32:48,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb74b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48, skipping insertion in model container [2018-11-22 21:32:48,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:32:48,048 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:32:48,154 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:32:48,157 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:32:48,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:32:48,179 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:32:48,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48 WrapperNode [2018-11-22 21:32:48,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:32:48,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:32:48,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:32:48,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:32:48,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:32:48,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:32:48,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:32:48,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:32:48,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... [2018-11-22 21:32:48,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:32:48,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:32:48,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:32:48,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:32:48,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/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 21:32:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:32:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:32:48,391 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:32:48,391 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-22 21:32:48,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:32:48 BoogieIcfgContainer [2018-11-22 21:32:48,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:32:48,392 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 21:32:48,392 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 21:32:48,395 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 21:32:48,396 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 21:32:48,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 09:32:48" (1/3) ... [2018-11-22 21:32:48,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5531ae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 09:32:48, skipping insertion in model container [2018-11-22 21:32:48,397 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 21:32:48,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:32:48" (2/3) ... [2018-11-22 21:32:48,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5531ae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 09:32:48, skipping insertion in model container [2018-11-22 21:32:48,398 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 21:32:48,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:32:48" (3/3) ... [2018-11-22 21:32:48,399 INFO L375 chiAutomizerObserver]: Analyzing ICFG NO_03_false-termination_true-no-overflow.c [2018-11-22 21:32:48,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:32:48,440 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 21:32:48,440 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 21:32:48,440 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 21:32:48,440 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:32:48,440 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:32:48,440 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 21:32:48,441 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:32:48,441 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 21:32:48,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 21:32:48,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 21:32:48,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 21:32:48,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 21:32:48,471 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 21:32:48,472 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 21:32:48,472 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 21:32:48,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 21:32:48,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 21:32:48,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 21:32:48,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 21:32:48,473 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 21:32:48,473 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 21:32:48,481 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; 8#L10-2true [2018-11-22 21:32:48,481 INFO L796 eck$LassoCheckResult]: Loop: 8#L10-2true assume !!(main_~i~0 < 100);main_~j~0 := 0; 3#L12-2true assume !(main_~j~0 < 1); 10#L12-3true main_~i~0 := main_~i~0; 8#L10-2true [2018-11-22 21:32:48,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:48,487 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-22 21:32:48,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:32:48,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:32:48,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:48,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:48,561 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2018-11-22 21:32:48,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:32:48,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:32:48,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:48,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:32:48,596 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 21:32:48,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:32:48,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 21:32:48,601 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-22 21:32:48,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:32:48,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:32:48,614 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-11-22 21:32:48,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:32:48,627 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-11-22 21:32:48,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:32:48,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2018-11-22 21:32:48,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-22 21:32:48,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2018-11-22 21:32:48,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-22 21:32:48,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-22 21:32:48,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2018-11-22 21:32:48,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 21:32:48,634 INFO L705 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2018-11-22 21:32:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2018-11-22 21:32:48,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-11-22 21:32:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-22 21:32:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2018-11-22 21:32:48,659 INFO L728 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2018-11-22 21:32:48,659 INFO L608 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2018-11-22 21:32:48,659 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 21:32:48,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2018-11-22 21:32:48,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-22 21:32:48,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 21:32:48,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 21:32:48,660 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 21:32:48,660 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-22 21:32:48,660 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; 29#L10-2 [2018-11-22 21:32:48,661 INFO L796 eck$LassoCheckResult]: Loop: 29#L10-2 assume !!(main_~i~0 < 100);main_~j~0 := 0; 26#L12-2 assume !!(main_~j~0 < 1);main_~j~0 := 1 + main_~j~0; 27#L12-2 assume !(main_~j~0 < 1); 30#L12-3 main_~i~0 := main_~i~0; 29#L10-2 [2018-11-22 21:32:48,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:48,661 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-22 21:32:48,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:32:48,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:32:48,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:48,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:48,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1240240, now seen corresponding path program 1 times [2018-11-22 21:32:48,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:32:48,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:32:48,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,668 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 21:32:48,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:32:48,679 INFO L82 PathProgramCache]: Analyzing trace with hash 29869391, now seen corresponding path program 1 times [2018-11-22 21:32:48,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:32:48,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:32:48,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:32:48,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:32:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:32:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; [L6] int i; [L7] int j; [L8] i = 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 < 100);main_~j~0 := 0; [?] assume !!(main_~j~0 < 1);main_~j~0 := 1 + main_~j~0; [?] assume !(main_~j~0 < 1); [?] main_~i~0 := main_~i~0; [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; [L10] COND TRUE i < 100 [L11] j = 0 [L12] COND TRUE j < 1 [L13] j = j+1 [L12] COND FALSE !(j < 1) [L15] i = i+0 ----- [2018-11-22 21:32:48,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 09:32:48 BoogieIcfgContainer [2018-11-22 21:32:48,776 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 21:32:48,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:32:48,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:32:48,776 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:32:48,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:32:48" (3/4) ... [2018-11-22 21:32:48,780 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; [L6] int i; [L7] int j; [L8] i = 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 < 100);main_~j~0 := 0; [?] assume !!(main_~j~0 < 1);main_~j~0 := 1 + main_~j~0; [?] assume !(main_~j~0 < 1); [?] main_~i~0 := main_~i~0; [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; [L10] COND TRUE i < 100 [L11] j = 0 [L12] COND TRUE j < 1 [L13] j = j+1 [L12] COND FALSE !(j < 1) [L15] i = i+0 ----- [2018-11-22 21:32:48,809 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59845277-e6f1-46b7-9a6a-fd0fe814e5dd/bin-2019/uautomizer/witness.graphml [2018-11-22 21:32:48,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:32:48,810 INFO L168 Benchmark]: Toolchain (without parser) took 788.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:48,811 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:32:48,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.87 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:48,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.22 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:48,812 INFO L168 Benchmark]: Boogie Preprocessor took 12.76 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:32:48,813 INFO L168 Benchmark]: RCFGBuilder took 178.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:48,813 INFO L168 Benchmark]: BuchiAutomizer took 383.50 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:48,814 INFO L168 Benchmark]: Witness Printer took 33.08 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:32:48,817 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.87 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 20.22 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.76 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 383.50 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 33.08 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: 3.3 MB). Peak memory consumption was 3.3 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 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 4 SolverSat, 0 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: 10]: 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 {\result=0, i=0, j=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; [L6] int i; [L7] int j; [L8] i = 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 < 100);main_~j~0 := 0; [?] assume !!(main_~j~0 < 1);main_~j~0 := 1 + main_~j~0; [?] assume !(main_~j~0 < 1); [?] main_~i~0 := main_~i~0; [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; [L10] COND TRUE i < 100 [L11] j = 0 [L12] COND TRUE j < 1 [L13] j = j+1 [L12] COND FALSE !(j < 1) [L15] i = i+0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~i~0, main_~j~0; [L6] havoc main_~i~0; [L7] havoc main_~j~0; [L8] main_~i~0 := 0; [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] havoc ~i~0; [L7] havoc ~j~0; [L8] ~i~0 := 0; [L6] int i; [L7] int j; [L8] i = 0 ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] assume !!(main_~i~0 < 100);main_~j~0 := 0; [?] assume !!(main_~j~0 < 1);main_~j~0 := 1 + main_~j~0; [?] assume !(main_~j~0 < 1); [?] main_~i~0 := main_~i~0; [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10-L16] assume !!(main_~i~0 < 100); [L11] main_~j~0 := 0; [L12-L14] assume !!(main_~j~0 < 1); [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] assume !(main_~j~0 < 1); [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10-L16] COND FALSE !(!(main_~i~0 < 100)) [L11] main_~j~0 := 0; [L12-L14] COND FALSE !(!(main_~j~0 < 1)) [L13] main_~j~0 := 1 + main_~j~0; [L12-L14] COND TRUE !(main_~j~0 < 1) [L15] main_~i~0 := main_~i~0; [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10-L16] COND FALSE !(!(~i~0 < 100)) [L11] ~j~0 := 0; [L12-L14] COND FALSE !(!(~j~0 < 1)) [L13] ~j~0 := 1 + ~j~0; [L12-L14] COND TRUE !(~j~0 < 1) [L15] ~i~0 := ~i~0; [L10] COND TRUE i < 100 [L11] j = 0 [L12] COND TRUE j < 1 [L13] j = j+1 [L12] COND FALSE !(j < 1) [L15] i = i+0 ----- Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] i = 0 Loop: [L10] COND TRUE i < 100 [L11] j = 0 [L12] COND TRUE j < 1 [L13] j = j+1 [L12] COND FALSE !(j < 1) [L15] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...