./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_2-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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_2-1.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 bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 ............................................................................................................................................................................................................................................................................. 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 0.1.25-8bd4bc6 [2020-07-29 01:42:08,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:42:08,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:42:08,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:42:08,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:42:08,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:42:08,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:42:08,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:42:08,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:42:08,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:42:08,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:42:08,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:42:08,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:42:08,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:42:08,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:42:08,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:42:08,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:42:08,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:42:08,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:42:08,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:42:08,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:42:08,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:42:08,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:42:08,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:42:08,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:42:08,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:42:08,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:42:08,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:42:08,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:42:08,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:42:08,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:42:08,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:42:08,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:42:08,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:42:08,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:42:08,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:42:08,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:42:08,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:42:08,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:42:08,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:42:08,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:42:08,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 01:42:08,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:42:08,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:42:08,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:42:08,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:42:08,405 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:42:08,405 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:42:08,406 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:42:08,406 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:42:08,406 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:42:08,406 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:42:08,407 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:42:08,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:42:08,408 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:42:08,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:42:08,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:42:08,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:42:08,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:42:08,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:42:08,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:42:08,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:42:08,410 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:42:08,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:42:08,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:42:08,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:42:08,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:42:08,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:42:08,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:42:08,412 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:42:08,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:42:08,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:42:08,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:42:08,414 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:42:08,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:42:08,416 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 -> bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 [2020-07-29 01:42:08,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:42:08,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:42:08,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:42:08,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:42:08,740 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:42:08,741 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_2-1.c [2020-07-29 01:42:08,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a96a8c1/b33236e1db694a9cbbab332e56606897/FLAGeb87eebd5 [2020-07-29 01:42:09,223 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:42:09,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_2-1.c [2020-07-29 01:42:09,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a96a8c1/b33236e1db694a9cbbab332e56606897/FLAGeb87eebd5 [2020-07-29 01:42:09,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a96a8c1/b33236e1db694a9cbbab332e56606897 [2020-07-29 01:42:09,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:42:09,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:42:09,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:09,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:42:09,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:42:09,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685b4014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09, skipping insertion in model container [2020-07-29 01:42:09,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:42:09,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:42:09,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:09,851 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:42:09,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:09,890 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:42:09,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09 WrapperNode [2020-07-29 01:42:09,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:09,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:09,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:42:09,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:42:09,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:09,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:42:09,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:42:09,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:42:09,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (1/1) ... [2020-07-29 01:42:09,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:42:09,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:42:09,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:42:09,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:42:09,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (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 [2020-07-29 01:42:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:42:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:42:10,228 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:42:10,229 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:42:10,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:10 BoogieIcfgContainer [2020-07-29 01:42:10,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:42:10,233 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:42:10,234 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:42:10,237 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:42:10,238 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:10,238 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:42:09" (1/3) ... [2020-07-29 01:42:10,239 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fc72282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:10, skipping insertion in model container [2020-07-29 01:42:10,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:10,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:09" (2/3) ... [2020-07-29 01:42:10,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fc72282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:10, skipping insertion in model container [2020-07-29 01:42:10,241 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:10,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:10" (3/3) ... [2020-07-29 01:42:10,242 INFO L371 chiAutomizerObserver]: Analyzing ICFG jain_2-1.c [2020-07-29 01:42:10,298 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:42:10,299 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:42:10,299 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:42:10,300 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:42:10,300 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:42:10,300 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:42:10,300 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:42:10,301 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:42:10,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-07-29 01:42:10,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:42:10,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:42:10,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:42:10,357 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:42:10,357 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:42:10,357 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:42:10,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-07-29 01:42:10,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:42:10,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:42:10,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:42:10,361 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:42:10,361 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:42:10,370 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := 1;main_~y~0 := 1; 8#L5-2true [2020-07-29 01:42:10,370 INFO L796 eck$LassoCheckResult]: Loop: 8#L5-2true assume !false;main_~x~0 := main_~x~0 + 2 * main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_~y~0 + 2 * main_#t~nondet1;havoc main_#t~nondet1;__VERIFIER_assert_#in~cond := (if 1 != (main_~x~0 + main_~y~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 8#L5-2true [2020-07-29 01:42:10,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:42:10,378 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:42:10,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:42:10,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212731430] [2020-07-29 01:42:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:42:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:42:10,471 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:42:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:42:10,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:42:10,486 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:42:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:42:10,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2020-07-29 01:42:10,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:42:10,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669174565] [2020-07-29 01:42:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:42:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:42:10,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:42:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:42:10,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:42:10,523 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:42:10,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:42:10,525 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2020-07-29 01:42:10,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:42:10,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561953112] [2020-07-29 01:42:10,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:42:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:42:10,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:42:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:42:10,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:42:10,561 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:42:10,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:42:10 BoogieIcfgContainer [2020-07-29 01:42:10,770 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:42:10,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:42:10,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:42:10,771 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:42:10,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:10" (3/4) ... [2020-07-29 01:42:10,774 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 01:42:10,813 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:42:10,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:42:10,817 INFO L168 Benchmark]: Toolchain (without parser) took 1185.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:10,817 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:10,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.44 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:10,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:10,820 INFO L168 Benchmark]: Boogie Preprocessor took 18.91 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. [2020-07-29 01:42:10,820 INFO L168 Benchmark]: RCFGBuilder took 235.45 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:10,821 INFO L168 Benchmark]: BuchiAutomizer took 536.31 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: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:10,822 INFO L168 Benchmark]: Witness Printer took 43.59 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. [2020-07-29 01:42:10,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.44 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.91 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. * RCFGBuilder took 235.45 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 536.31 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: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Witness Printer took 43.59 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 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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@574495c5=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d1575d=0, \old(cond)=1, x=1, y=1} - 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; [L14] x = 1U [L15] y = 1U Loop: [L17] COND TRUE 1 [L19] x = x +2U*__VERIFIER_nondet_uint() [L20] y = y +2U*__VERIFIER_nondet_uint() [L5] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...