./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3_false-termination_false-valid-deref.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3_false-termination_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/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 4bfbec27df5193663b67944a709ca03de2f762c2 ........................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-10-27 06:08:54,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:08:54,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:08:54,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:08:54,064 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:08:54,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:08:54,068 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:08:54,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:08:54,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:08:54,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:08:54,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:08:54,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:08:54,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:08:54,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:08:54,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:08:54,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:08:54,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:08:54,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:08:54,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:08:54,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:08:54,096 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:08:54,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:08:54,100 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:08:54,100 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:08:54,101 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:08:54,101 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:08:54,102 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:08:54,102 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:08:54,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:08:54,104 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:08:54,104 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:08:54,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:08:54,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:08:54,105 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:08:54,105 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:08:54,106 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:08:54,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:08:54,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:08:54,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:08:54,123 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:08:54,123 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:08:54,123 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:08:54,123 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:08:54,123 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:08:54,124 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:08:54,124 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:08:54,124 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:08:54,124 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:08:54,124 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:08:54,124 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:08:54,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:08:54,125 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:08:54,125 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:08:54,125 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:08:54,125 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:08:54,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:08:54,125 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:08:54,126 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:08:54,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:08:54,127 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:08:54,127 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:08:54,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:08:54,128 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:08:54,128 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:08:54,128 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:08:54,129 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_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/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 -> 4bfbec27df5193663b67944a709ca03de2f762c2 [2018-10-27 06:08:54,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:08:54,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:08:54,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:08:54,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:08:54,171 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:08:54,173 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/NonTermination3_false-termination_false-valid-deref.c [2018-10-27 06:08:54,217 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/data/62858e46f/2ec42a4e409d4ec9a723b24c48a2337d/FLAGcf6c82dea [2018-10-27 06:08:54,574 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:08:54,575 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/sv-benchmarks/c/termination-crafted/NonTermination3_false-termination_false-valid-deref.c [2018-10-27 06:08:54,580 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/data/62858e46f/2ec42a4e409d4ec9a723b24c48a2337d/FLAGcf6c82dea [2018-10-27 06:08:54,592 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/data/62858e46f/2ec42a4e409d4ec9a723b24c48a2337d [2018-10-27 06:08:54,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:08:54,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:08:54,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:54,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:08:54,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:08:54,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c76dc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54, skipping insertion in model container [2018-10-27 06:08:54,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:08:54,624 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:08:54,734 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:54,736 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:08:54,747 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:54,761 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:08:54,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54 WrapperNode [2018-10-27 06:08:54,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:54,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:54,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:08:54,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:08:54,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:54,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:08:54,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:08:54,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:08:54,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... [2018-10-27 06:08:54,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:08:54,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:08:54,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:08:54,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:08:54,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/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 [2018-10-27 06:08:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:08:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:08:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:08:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:08:55,231 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:08:55,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:55 BoogieIcfgContainer [2018-10-27 06:08:55,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:08:55,232 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:08:55,232 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:08:55,235 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:08:55,236 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:55,236 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:08:54" (1/3) ... [2018-10-27 06:08:55,237 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67c89639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:55, skipping insertion in model container [2018-10-27 06:08:55,237 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:55,237 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:54" (2/3) ... [2018-10-27 06:08:55,238 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67c89639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:55, skipping insertion in model container [2018-10-27 06:08:55,238 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:55,238 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:55" (3/3) ... [2018-10-27 06:08:55,239 INFO L375 chiAutomizerObserver]: Analyzing ICFG NonTermination3_false-termination_false-valid-deref.c [2018-10-27 06:08:55,287 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:08:55,288 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:08:55,288 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:08:55,288 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:08:55,288 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:08:55,288 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:08:55,288 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:08:55,289 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:08:55,289 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:08:55,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-10-27 06:08:55,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:08:55,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:55,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:55,326 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:55,326 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:08:55,326 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:08:55,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-10-27 06:08:55,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:08:55,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:55,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:55,328 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:55,328 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:08:55,335 INFO L793 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet3, main_#t~mem1, main_#t~short2, main_~i~0, main_~#a~0.base, main_~#a~0.offset;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 40;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~0.base, main_~#a~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true; 14#L15-1true [2018-10-27 06:08:55,336 INFO L795 eck$LassoCheckResult]: Loop: 14#L15-1true assume true; 11#L12-1true main_#t~short2 := 0 <= main_~i~0 && main_~i~0 < 10; 9#L12-2true assume !main_#t~short2; 4#L12-6true assume !!main_#t~short2;havoc main_#t~mem1;havoc main_#t~short2;main_~i~0 := main_#t~nondet3;havoc main_#t~nondet3; 3#L15true SUMMARY for call write~int(0, main_~#a~0.base, main_~#a~0.offset + main_~i~0 * 4, 4); srcloc: L15 14#L15-1true [2018-10-27 06:08:55,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:55,342 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:08:55,344 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:55,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:55,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:55,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:55,436 INFO L82 PathProgramCache]: Analyzing trace with hash 34423693, now seen corresponding path program 1 times [2018-10-27 06:08:55,436 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:55,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:55,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:55,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:08:55,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:08:55,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:08:55,508 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-10-27 06:08:55,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:08:55,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:08:55,524 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2018-10-27 06:08:55,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:08:55,582 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2018-10-27 06:08:55,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:08:55,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2018-10-27 06:08:55,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:08:55,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 9 transitions. [2018-10-27 06:08:55,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-10-27 06:08:55,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2018-10-27 06:08:55,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9 transitions. [2018-10-27 06:08:55,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:08:55,590 INFO L705 BuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-27 06:08:55,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 9 transitions. [2018-10-27 06:08:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-10-27 06:08:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-10-27 06:08:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-27 06:08:55,612 INFO L728 BuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-27 06:08:55,613 INFO L608 BuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-10-27 06:08:55,613 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:08:55,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 9 transitions. [2018-10-27 06:08:55,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2018-10-27 06:08:55,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:55,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:55,614 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:08:55,614 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:08:55,615 INFO L793 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet3, main_#t~mem1, main_#t~short2, main_~i~0, main_~#a~0.base, main_~#a~0.offset;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 40;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~0.base, main_~#a~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true; 37#L15-1 [2018-10-27 06:08:55,615 INFO L795 eck$LassoCheckResult]: Loop: 37#L15-1 assume true; 42#L12-1 main_#t~short2 := 0 <= main_~i~0 && main_~i~0 < 10; 39#L12-2 assume main_#t~short2; 40#L12-3 SUMMARY for call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + main_~i~0 * 4, 4); srcloc: L12-3 44#L12-4 main_#t~short2 := main_#t~mem1 >= 0; 43#L12-6 assume !!main_#t~short2;havoc main_#t~mem1;havoc main_#t~short2;main_~i~0 := main_#t~nondet3;havoc main_#t~nondet3; 36#L15 SUMMARY for call write~int(0, main_~#a~0.base, main_~#a~0.offset + main_~i~0 * 4, 4); srcloc: L15 37#L15-1 [2018-10-27 06:08:55,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:55,615 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2018-10-27 06:08:55,615 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:55,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:55,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:55,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:55,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1282539574, now seen corresponding path program 1 times [2018-10-27 06:08:55,630 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:55,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:55,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,631 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:08:55,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash 263757256, now seen corresponding path program 1 times [2018-10-27 06:08:55,657 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:55,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:55,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:55,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:55,987 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2018-10-27 06:08:56,232 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:08:56,233 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:08:56,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:08:56 BoogieIcfgContainer [2018-10-27 06:08:56,242 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:08:56,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:08:56,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:08:56,242 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:08:56,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:55" (3/4) ... [2018-10-27 06:08:56,245 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-10-27 06:08:56,280 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7239505e-23d9-43b5-a6de-81ccbf1b9ca3/bin-2019/uautomizer/witness.graphml [2018-10-27 06:08:56,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:08:56,281 INFO L168 Benchmark]: Toolchain (without parser) took 1685.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -116.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:56,281 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:56,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.13 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:56,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.34 ms. Allocated memory is still 1.0 GB. Free memory is still 952.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:56,283 INFO L168 Benchmark]: Boogie Preprocessor took 16.95 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:56,284 INFO L168 Benchmark]: RCFGBuilder took 425.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:56,284 INFO L168 Benchmark]: BuchiAutomizer took 1009.85 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: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:56,285 INFO L168 Benchmark]: Witness Printer took 37.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:56,289 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.13 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.1 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 26.34 ms. Allocated memory is still 1.0 GB. Free memory is still 952.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.95 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 425.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1009.85 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: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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 9 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 0 SDslu, 7 SDs, 0 SdLazy, 7 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: 12]: Nontermination argument in form of an infinite program execution. [2018-10-27 06:08:56,298 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:08:56,298 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:08:56,299 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 06:08:56,300 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled 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.CASTArraySubscriptExpression@7a142943=0, NULL=0, \result=0, i=8, a=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed15457=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@1503c40a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58870b7f=0, NULL=40, NULL=0, a=0, NULL=5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 12]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L10] int i = __VERIFIER_nondet_int(); [L11] CALL int a[10]; [L11] RET int a[10]; Loop: [L12] 0 <= i && i < 10 && a[i] >= 0 [L12] EXPR, FCALL a[i] [L12] 0 <= i && i < 10 && a[i] >= 0 [L12] COND TRUE 0 <= i && i < 10 && a[i] >= 0 [L13] i = __VERIFIER_nondet_int() [L15] FCALL a[i] = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...