./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/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 32bit --witnessprinter.graph.data.programhash 7b343e81ff326e338cc375967a013ceca0a078e1 ................................................................................................................................................................................................................................................................................. 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 [2018-11-10 00:07:18,173 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:07:18,174 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:07:18,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:07:18,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:07:18,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:07:18,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:07:18,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:07:18,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:07:18,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:07:18,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:07:18,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:07:18,187 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:07:18,188 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:07:18,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:07:18,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:07:18,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:07:18,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:07:18,193 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:07:18,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:07:18,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:07:18,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:07:18,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:07:18,197 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:07:18,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:07:18,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:07:18,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:07:18,200 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:07:18,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:07:18,201 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:07:18,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:07:18,202 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:07:18,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:07:18,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:07:18,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:07:18,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:07:18,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 00:07:18,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:07:18,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:07:18,212 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:07:18,212 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:07:18,212 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 00:07:18,213 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 00:07:18,213 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 00:07:18,213 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 00:07:18,213 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 00:07:18,213 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 00:07:18,213 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 00:07:18,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 00:07:18,214 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 00:07:18,215 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:07:18,215 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:07:18,215 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 00:07:18,215 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 00:07:18,215 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:07:18,215 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 00:07:18,215 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 00:07:18,216 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:07:18,216 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 00:07:18,216 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 00:07:18,216 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 00:07:18,217 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_abc19239-5255-4ed8-af6a-3f306d509c6e/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b343e81ff326e338cc375967a013ceca0a078e1 [2018-11-10 00:07:18,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:07:18,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:07:18,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:07:18,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:07:18,250 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:07:18,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-10 00:07:18,288 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/data/fa17c2708/95e3ba85c900436dbe31807d419ae483/FLAGd4e564ba6 [2018-11-10 00:07:18,616 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:07:18,616 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-10 00:07:18,620 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/data/fa17c2708/95e3ba85c900436dbe31807d419ae483/FLAGd4e564ba6 [2018-11-10 00:07:18,630 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/data/fa17c2708/95e3ba85c900436dbe31807d419ae483 [2018-11-10 00:07:18,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:07:18,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:07:18,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:07:18,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:07:18,637 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:07:18,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18, skipping insertion in model container [2018-11-10 00:07:18,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:07:18,660 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:07:18,759 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:07:18,761 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:07:18,772 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:07:18,781 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:07:18,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18 WrapperNode [2018-11-10 00:07:18,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:07:18,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:07:18,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:07:18,782 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:07:18,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:07:18,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:07:18,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:07:18,802 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:07:18,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... [2018-11-10 00:07:18,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:07:18,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:07:18,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:07:18,813 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:07:18,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/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 [2018-11-10 00:07:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:07:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:07:18,967 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:07:18,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:18 BoogieIcfgContainer [2018-11-10 00:07:18,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:07:18,968 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 00:07:18,968 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 00:07:18,971 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 00:07:18,971 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:07:18,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:07:18" (1/3) ... [2018-11-10 00:07:18,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26776d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:07:18, skipping insertion in model container [2018-11-10 00:07:18,972 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:07:18,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:18" (2/3) ... [2018-11-10 00:07:18,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26776d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:07:18, skipping insertion in model container [2018-11-10 00:07:18,973 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:07:18,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:18" (3/3) ... [2018-11-10 00:07:18,974 INFO L375 chiAutomizerObserver]: Analyzing ICFG jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-10 00:07:19,019 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 00:07:19,019 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 00:07:19,019 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 00:07:19,020 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 00:07:19,020 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 00:07:19,020 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 00:07:19,020 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 00:07:19,020 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 00:07:19,020 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 00:07:19,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 00:07:19,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 00:07:19,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:07:19,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:07:19,052 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 00:07:19,052 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 00:07:19,052 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 00:07:19,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 00:07:19,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-10 00:07:19,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:07:19,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:07:19,053 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 00:07:19,053 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 00:07:19,058 INFO L793 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 4#L18-3true [2018-11-10 00:07:19,058 INFO L795 eck$LassoCheckResult]: Loop: 4#L18-3true assume true; 9#L18-1true assume !false;main_~x~0 := main_~x~0 + 4 * main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_~y~0 + 4 * main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_~z~0 + 8 * main_#t~nondet2;havoc main_#t~nondet2;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if (main_~x~0 + main_~y~0 + main_~z~0) % 4294967296 != 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L5true assume !(__VERIFIER_assert_~cond == 0); 11#L5-2true assume { :end_inline___VERIFIER_assert } true; 4#L18-3true [2018-11-10 00:07:19,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:07:19,062 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 00:07:19,064 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:07:19,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:07:19,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:07:19,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:07:19,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:07:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:07:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:07:19,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:07:19,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1114410, now seen corresponding path program 1 times [2018-11-10 00:07:19,127 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:07:19,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:07:19,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:07:19,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:07:19,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:07:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:07:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:07:19,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:07:19,147 INFO L82 PathProgramCache]: Analyzing trace with hash 889541612, now seen corresponding path program 1 times [2018-11-10 00:07:19,147 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:07:19,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:07:19,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:07:19,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:07:19,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:07:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:07:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:07:19,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:07:19 BoogieIcfgContainer [2018-11-10 00:07:19,257 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 00:07:19,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:07:19,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:07:19,258 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:07:19,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:18" (3/4) ... [2018-11-10 00:07:19,261 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 00:07:19,290 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_abc19239-5255-4ed8-af6a-3f306d509c6e/bin-2019/uautomizer/witness.graphml [2018-11-10 00:07:19,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:07:19,290 INFO L168 Benchmark]: Toolchain (without parser) took 657.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:07:19,292 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:07:19,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:07:19,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.53 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:07:19,293 INFO L168 Benchmark]: Boogie Preprocessor took 10.76 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:07:19,293 INFO L168 Benchmark]: RCFGBuilder took 155.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 00:07:19,294 INFO L168 Benchmark]: BuchiAutomizer took 288.97 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 00:07:19,294 INFO L168 Benchmark]: Witness Printer took 32.49 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:07:19,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.53 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.76 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 155.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 288.97 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 32.49 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 18]: 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 {cond=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f99e63f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@399ed0e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c292506=0, z=0, \old(cond)=1, x=0, y=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 18]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] unsigned int x,y,z; [L14] x=0U [L15] y=0U [L16] z=0U Loop: [L18] COND TRUE 1 [L20] x = x +4U*__VERIFIER_nondet_uint() [L21] y = y +4U*__VERIFIER_nondet_uint() [L22] z = z +8U*__VERIFIER_nondet_uint() [L24] CALL __VERIFIER_assert(x+y+z!=1U) [L5] COND FALSE, RET !(!(cond)) [L24] __VERIFIER_assert(x+y+z!=1U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...