./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 46c9debf13fcbaac91e24cd627789213da53a557 ................................................................................................................................................................................................................................................................. 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 0.1.24-0ed9222-m [2019-01-14 03:39:33,074 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:39:33,076 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:39:33,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:39:33,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:39:33,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:39:33,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:39:33,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:39:33,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:39:33,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:39:33,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:39:33,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:39:33,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:39:33,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:39:33,101 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:39:33,102 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:39:33,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:39:33,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:39:33,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:39:33,110 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:39:33,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:39:33,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:39:33,115 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:39:33,115 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:39:33,116 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:39:33,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:39:33,118 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:39:33,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:39:33,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:39:33,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:39:33,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:39:33,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:39:33,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:39:33,123 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:39:33,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:39:33,125 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:39:33,126 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:39:33,143 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:39:33,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:39:33,145 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:39:33,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:39:33,145 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:39:33,146 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:39:33,146 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:39:33,147 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:39:33,147 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:39:33,147 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:39:33,147 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:39:33,147 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:39:33,147 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:39:33,148 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:39:33,148 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:39:33,148 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:39:33,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:39:33,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:39:33,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:39:33,149 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:39:33,149 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:39:33,149 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:39:33,149 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:39:33,149 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:39:33,149 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:39:33,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:39:33,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:39:33,152 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:39:33,153 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:39:33,153 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:39:33,154 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:39:33,155 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:39:33,155 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 46c9debf13fcbaac91e24cd627789213da53a557 [2019-01-14 03:39:33,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:39:33,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:39:33,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:39:33,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:39:33,214 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:39:33,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i [2019-01-14 03:39:33,277 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94e7ae10/3a185dd7000f4228b65894b39ce3bab0/FLAGf4eccf043 [2019-01-14 03:39:33,675 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:39:33,676 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/while_infinite_loop_1_true-unreach-call_false-termination.i [2019-01-14 03:39:33,681 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94e7ae10/3a185dd7000f4228b65894b39ce3bab0/FLAGf4eccf043 [2019-01-14 03:39:34,068 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94e7ae10/3a185dd7000f4228b65894b39ce3bab0 [2019-01-14 03:39:34,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:39:34,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:39:34,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:39:34,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:39:34,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:39:34,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da703bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34, skipping insertion in model container [2019-01-14 03:39:34,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:39:34,108 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:39:34,308 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:39:34,313 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:39:34,328 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:39:34,343 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:39:34,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34 WrapperNode [2019-01-14 03:39:34,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:39:34,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:39:34,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:39:34,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:39:34,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:39:34,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:39:34,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:39:34,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:39:34,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... [2019-01-14 03:39:34,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:39:34,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:39:34,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:39:34,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:39:34,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:39:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:39:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:39:34,869 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:39:34,869 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-14 03:39:34,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:39:34 BoogieIcfgContainer [2019-01-14 03:39:34,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:39:34,874 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:39:34,874 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:39:34,880 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:39:34,881 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:39:34,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:39:34" (1/3) ... [2019-01-14 03:39:34,884 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f240c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:39:34, skipping insertion in model container [2019-01-14 03:39:34,885 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:39:34,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:34" (2/3) ... [2019-01-14 03:39:34,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f240c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:39:34, skipping insertion in model container [2019-01-14 03:39:34,886 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:39:34,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:39:34" (3/3) ... [2019-01-14 03:39:34,889 INFO L375 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_1_true-unreach-call_false-termination.i [2019-01-14 03:39:34,958 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:39:34,959 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:39:34,959 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:39:34,959 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:39:34,959 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:39:34,960 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:39:34,960 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:39:34,960 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:39:34,960 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:39:34,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-14 03:39:35,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:39:35,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:39:35,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:39:35,023 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:39:35,023 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 03:39:35,023 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:39:35,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-14 03:39:35,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:39:35,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:39:35,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:39:35,027 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:39:35,027 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 03:39:35,041 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;main_~x~0 := 0; 9#L4-2true [2019-01-14 03:39:35,041 INFO L796 eck$LassoCheckResult]: Loop: 9#L4-2true assume !false;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L4true assume !(0 == __VERIFIER_assert_~cond); 9#L4-2true [2019-01-14 03:39:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:35,056 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:39:35,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:39:35,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:39:35,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:35,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:39:35,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:35,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-01-14 03:39:35,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:39:35,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:39:35,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:35,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:39:35,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:35,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:35,194 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2019-01-14 03:39:35,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:39:35,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:39:35,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:35,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:39:35,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:35,321 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-14 03:39:35,434 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-14 03:39:35,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:39:35 BoogieIcfgContainer [2019-01-14 03:39:35,542 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:39:35,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:39:35,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:39:35,543 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:39:35,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:39:34" (3/4) ... [2019-01-14 03:39:35,547 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 03:39:35,590 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 03:39:35,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:39:35,592 INFO L168 Benchmark]: Toolchain (without parser) took 1519.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.4 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. [2019-01-14 03:39:35,593 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:35,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.78 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:35,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.58 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:35,596 INFO L168 Benchmark]: Boogie Preprocessor took 30.54 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:35,596 INFO L168 Benchmark]: RCFGBuilder took 461.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:35,597 INFO L168 Benchmark]: BuchiAutomizer took 668.51 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:35,598 INFO L168 Benchmark]: Witness Printer took 48.78 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. [2019-01-14 03:39:35,603 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.78 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 35.58 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.54 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 461.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 668.51 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 48.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 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: 1]: 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, \result=0, \old(cond)=1, x=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 3]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] int x=0; Loop: [L13] COND TRUE 1 [L4] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...