./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/bitvector/jain_6-1.c -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 7171d48e57e5d394c65cc11235543b043c97d3f2 ....................................................................................................................................................................................................................................................................... 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 0.1.24-30f4e4a [2019-11-28 03:05:27,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:05:27,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:05:27,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:05:27,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:05:27,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:05:27,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:05:27,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:05:27,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:05:27,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:05:27,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:05:27,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:05:27,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:05:27,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:05:27,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:05:27,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:05:27,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:05:27,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:05:27,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:05:27,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:05:27,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:05:27,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:05:27,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:05:27,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:05:27,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:05:27,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:05:27,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:05:27,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:05:27,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:05:27,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:05:27,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:05:27,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:05:27,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:05:27,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:05:27,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:05:27,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:05:27,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:05:27,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:05:27,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:05:27,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:05:27,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:05:27,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:05:27,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:05:27,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:05:27,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:05:27,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:05:27,345 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:05:27,345 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:05:27,345 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:05:27,346 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:05:27,346 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:05:27,346 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:05:27,348 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:05:27,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:05:27,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:05:27,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:05:27,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:05:27,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:05:27,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:05:27,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:05:27,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:05:27,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:05:27,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:05:27,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:05:27,351 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:05:27,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:05:27,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:05:27,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:05:27,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:05:27,353 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:05:27,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:05:27,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:05:27,354 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:05:27,356 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:05:27,357 INFO L138 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 -> 7171d48e57e5d394c65cc11235543b043c97d3f2 [2019-11-28 03:05:27,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:05:27,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:05:27,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:05:27,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:05:27,666 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:05:27,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_6-1.c [2019-11-28 03:05:27,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa38ce37e/bfffca447ddc4f62892de80eee9ad5a5/FLAG6881d3ab4 [2019-11-28 03:05:28,169 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:05:28,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_6-1.c [2019-11-28 03:05:28,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa38ce37e/bfffca447ddc4f62892de80eee9ad5a5/FLAG6881d3ab4 [2019-11-28 03:05:28,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa38ce37e/bfffca447ddc4f62892de80eee9ad5a5 [2019-11-28 03:05:28,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:05:28,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:05:28,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:05:28,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:05:28,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:05:28,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155b5aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28, skipping insertion in model container [2019-11-28 03:05:28,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:05:28,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:05:28,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:05:28,759 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:05:28,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:05:28,792 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:05:28,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28 WrapperNode [2019-11-28 03:05:28,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:05:28,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:05:28,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:05:28,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:05:28,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:05:28,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:05:28,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:05:28,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:05:28,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (1/1) ... [2019-11-28 03:05:28,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:05:28,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:05:28,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:05:28,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:05:28,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (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 [2019-11-28 03:05:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:05:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:05:29,116 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:05:29,117 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:05:29,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:29 BoogieIcfgContainer [2019-11-28 03:05:29,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:05:29,119 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:05:29,119 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:05:29,122 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:05:29,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:05:29,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:28" (1/3) ... [2019-11-28 03:05:29,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d6d8622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:29, skipping insertion in model container [2019-11-28 03:05:29,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:05:29,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:28" (2/3) ... [2019-11-28 03:05:29,126 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d6d8622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:29, skipping insertion in model container [2019-11-28 03:05:29,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:05:29,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:29" (3/3) ... [2019-11-28 03:05:29,128 INFO L371 chiAutomizerObserver]: Analyzing ICFG jain_6-1.c [2019-11-28 03:05:29,179 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:05:29,179 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:05:29,179 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:05:29,180 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:05:29,180 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:05:29,180 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:05:29,180 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:05:29,180 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:05:29,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 03:05:29,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:05:29,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:29,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:29,223 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 03:05:29,224 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:05:29,224 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:05:29,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-28 03:05:29,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:05:29,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:05:29,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:05:29,226 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 03:05:29,226 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:05:29,234 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := 0;main_~y~0 := 0;main_~z~0 := 0; 9#L5-2true [2019-11-28 03:05:29,235 INFO L796 eck$LassoCheckResult]: Loop: 9#L5-2true assume !false;main_~x~0 := main_~x~0 + 2 * 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;__VERIFIER_assert_#in~cond := (if 4 != (4 * main_~x~0 + 2 * main_~y~0 + main_~z~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 9#L5-2true [2019-11-28 03:05:29,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:29,243 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 03:05:29,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:29,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968875332] [2019-11-28 03:05:29,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:29,341 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:29,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:29,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-11-28 03:05:29,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:29,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61930988] [2019-11-28 03:05:29,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:29,394 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:29,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:05:29,396 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2019-11-28 03:05:29,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:05:29,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685203301] [2019-11-28 03:05:29,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:05:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:05:29,459 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:05:29,655 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-11-28 03:05:29,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:29 BoogieIcfgContainer [2019-11-28 03:05:29,786 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:05:29,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:05:29,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:05:29,788 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:05:29,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:29" (3/4) ... [2019-11-28 03:05:29,792 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:05:29,835 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:05:29,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:05:29,838 INFO L168 Benchmark]: Toolchain (without parser) took 1292.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,839 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:05:29,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.34 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,848 INFO L168 Benchmark]: Boogie Preprocessor took 23.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,850 INFO L168 Benchmark]: RCFGBuilder took 208.95 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,850 INFO L168 Benchmark]: BuchiAutomizer took 667.43 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,851 INFO L168 Benchmark]: Witness Printer took 48.54 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:05:29,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.34 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 91.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.95 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 667.43 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.54 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: 6.6 MB). Peak memory consumption was 6.6 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 0.6s 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10dc50b9=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21fd5662=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@623d3ed1=0, z=0, \old(cond)=1, x=0, y=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 4]: 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 +2U*__VERIFIER_nondet_uint() [L21] y = y +4U*__VERIFIER_nondet_uint() [L22] z = z +8U*__VERIFIER_nondet_uint() [L5] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...