./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 048dc8680b8ad79c5b7f9350cbf77794fd0e2335 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:56:06,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:56:06,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:56:06,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:56:06,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:56:06,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:56:06,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:56:06,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:56:06,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:56:06,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:56:06,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:56:06,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:56:06,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:56:06,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:56:06,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:56:06,240 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:56:06,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:56:06,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:56:06,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:56:06,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:56:06,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:56:06,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:56:06,249 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:56:06,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:56:06,250 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:56:06,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:56:06,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:56:06,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:56:06,252 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:56:06,253 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:56:06,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:56:06,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:56:06,254 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:56:06,254 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:56:06,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:56:06,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:56:06,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:56:06,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:56:06,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:56:06,267 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:56:06,267 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:56:06,267 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:56:06,267 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:56:06,267 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:56:06,267 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:56:06,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:56:06,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:56:06,269 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:56:06,270 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:56:06,270 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:56:06,270 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:56:06,270 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:56:06,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:56:06,270 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:56:06,271 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:56:06,271 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:56:06,271 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 048dc8680b8ad79c5b7f9350cbf77794fd0e2335 [2018-11-18 12:56:06,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:56:06,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:56:06,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:56:06,309 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:56:06,309 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:56:06,310 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/../../sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c [2018-11-18 12:56:06,355 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/data/40a6b98f3/a9d91068abe948dd93d36bdaef201652/FLAGa204a7da7 [2018-11-18 12:56:06,765 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:56:06,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c [2018-11-18 12:56:06,770 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/data/40a6b98f3/a9d91068abe948dd93d36bdaef201652/FLAGa204a7da7 [2018-11-18 12:56:06,779 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/data/40a6b98f3/a9d91068abe948dd93d36bdaef201652 [2018-11-18 12:56:06,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:56:06,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:56:06,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:56:06,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:56:06,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:56:06,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:06,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ae4871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06, skipping insertion in model container [2018-11-18 12:56:06,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:06,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:56:06,816 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:56:06,932 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:56:06,935 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:56:06,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:56:06,966 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:56:06,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06 WrapperNode [2018-11-18 12:56:06,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:56:06,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:56:06,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:56:06,967 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:56:06,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:06,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:56:07,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:56:07,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:56:07,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:56:07,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... [2018-11-18 12:56:07,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:56:07,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:56:07,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:56:07,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:56:07,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:56:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:56:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:56:07,414 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:56:07,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:07 BoogieIcfgContainer [2018-11-18 12:56:07,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:56:07,415 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:56:07,415 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:56:07,419 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:56:07,419 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:56:07,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:56:06" (1/3) ... [2018-11-18 12:56:07,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fc9574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:56:07, skipping insertion in model container [2018-11-18 12:56:07,421 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:56:07,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:06" (2/3) ... [2018-11-18 12:56:07,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fc9574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:56:07, skipping insertion in model container [2018-11-18 12:56:07,422 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:56:07,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:07" (3/3) ... [2018-11-18 12:56:07,423 INFO L375 chiAutomizerObserver]: Analyzing ICFG psyco_math_1_true-unreach-call_false-termination.c [2018-11-18 12:56:07,470 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:56:07,470 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:56:07,470 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:56:07,471 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:56:07,471 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:56:07,471 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:56:07,471 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:56:07,471 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:56:07,471 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:56:07,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states. [2018-11-18 12:56:07,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 54 [2018-11-18 12:56:07,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:56:07,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:56:07,515 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 12:56:07,515 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-18 12:56:07,515 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:56:07,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states. [2018-11-18 12:56:07,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 54 [2018-11-18 12:56:07,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:56:07,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:56:07,519 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 12:56:07,519 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-18 12:56:07,526 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~m_isPowerOfTwo~0 := 1;~m_IntMath~0 := 2;~m_log10~0 := 3;~m_checkedSubtract~0 := 4;~m_checkedMultiply~0 := 5;~m_log2~0 := 6;~m_checkedAdd~0 := 7;~m_mod_1~0 := 8;~m_mod_2~0 := 9;~m_factorial_1~0 := 10;~m_factorial_2~0 := 11; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~P10~0, main_~P11~0, main_~P12~0, main_~P13~0, main_~P14~0, main_~P15~0, main_~P16~0, main_~P17~0, main_~q~0, main_~method_id~0;main_~q~0 := 0;havoc main_~method_id~0; 36#L26-3true [2018-11-18 12:56:07,527 INFO L796 eck$LassoCheckResult]: Loop: 36#L26-3true assume true; 44#L352true assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~P5~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~P6~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~P7~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~P8~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P9~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P10~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P11~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P12~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P13~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P14~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P15~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P16~0 := main_#t~nondet15;havoc main_#t~nondet15;main_~P17~0 := main_#t~nondet16;havoc main_#t~nondet16; 40#L49true assume !(0 == main_~q~0); 71#L68true assume !(1 == main_~q~0); 25#L136true assume !(2 == main_~q~0); 36#L26-3true [2018-11-18 12:56:07,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:07,532 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 12:56:07,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:07,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:07,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:07,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:07,618 INFO L82 PathProgramCache]: Analyzing trace with hash 34562843, now seen corresponding path program 1 times [2018-11-18 12:56:07,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:07,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:07,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:07,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:07,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1806002329, now seen corresponding path program 1 times [2018-11-18 12:56:07,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:07,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:07,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:07,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:07,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:07,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:56:07,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:56:07,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:56:07,780 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 3 states. [2018-11-18 12:56:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:07,822 INFO L93 Difference]: Finished difference Result 68 states and 97 transitions. [2018-11-18 12:56:07,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:56:07,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 97 transitions. [2018-11-18 12:56:07,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2018-11-18 12:56:07,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 52 states and 74 transitions. [2018-11-18 12:56:07,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2018-11-18 12:56:07,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2018-11-18 12:56:07,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 74 transitions. [2018-11-18 12:56:07,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:56:07,832 INFO L705 BuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2018-11-18 12:56:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 74 transitions. [2018-11-18 12:56:07,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-18 12:56:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-18 12:56:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2018-11-18 12:56:07,854 INFO L728 BuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2018-11-18 12:56:07,854 INFO L608 BuchiCegarLoop]: Abstraction has 52 states and 74 transitions. [2018-11-18 12:56:07,854 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:56:07,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 74 transitions. [2018-11-18 12:56:07,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2018-11-18 12:56:07,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:56:07,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:56:07,856 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-18 12:56:07,856 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 12:56:07,856 INFO L794 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~m_isPowerOfTwo~0 := 1;~m_IntMath~0 := 2;~m_log10~0 := 3;~m_checkedSubtract~0 := 4;~m_checkedMultiply~0 := 5;~m_log2~0 := 6;~m_checkedAdd~0 := 7;~m_mod_1~0 := 8;~m_mod_2~0 := 9;~m_factorial_1~0 := 10;~m_factorial_2~0 := 11; 162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~P10~0, main_~P11~0, main_~P12~0, main_~P13~0, main_~P14~0, main_~P15~0, main_~P16~0, main_~P17~0, main_~q~0, main_~method_id~0;main_~q~0 := 0;havoc main_~method_id~0; 163#L26-3 assume true; 187#L352 [2018-11-18 12:56:07,856 INFO L796 eck$LassoCheckResult]: Loop: 187#L352 assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~P5~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~P6~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~P7~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~P8~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P9~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P10~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P11~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P12~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P13~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P14~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P15~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P16~0 := main_#t~nondet15;havoc main_#t~nondet15;main_~P17~0 := main_#t~nondet16;havoc main_#t~nondet16; 190#L49 assume 0 == main_~q~0; 191#L50 assume !(0 != main_#t~nondet17);havoc main_#t~nondet17; 187#L352 [2018-11-18 12:56:07,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:07,856 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-18 12:56:07,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:07,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:07,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:07,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:07,867 INFO L82 PathProgramCache]: Analyzing trace with hash 41819, now seen corresponding path program 1 times [2018-11-18 12:56:07,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:07,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:07,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:07,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:07,877 INFO L82 PathProgramCache]: Analyzing trace with hash 889541497, now seen corresponding path program 1 times [2018-11-18 12:56:07,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:07,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:07,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:07,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:56:08,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:56:08 BoogieIcfgContainer [2018-11-18 12:56:08,042 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:56:08,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:56:08,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:56:08,042 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:56:08,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:07" (3/4) ... [2018-11-18 12:56:08,045 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:56:08,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2d60d15c-3db4-42d5-a0b9-5bf5291eb04f/bin-2019/uautomizer/witness.graphml [2018-11-18 12:56:08,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:56:08,076 INFO L168 Benchmark]: Toolchain (without parser) took 1295.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 960.2 MB in the beginning and 991.7 MB in the end (delta: -31.5 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,078 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:56:08,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.41 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,079 INFO L168 Benchmark]: Boogie Preprocessor took 22.29 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,079 INFO L168 Benchmark]: RCFGBuilder took 357.47 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,079 INFO L168 Benchmark]: BuchiAutomizer took 626.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.2 MB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,080 INFO L168 Benchmark]: Witness Printer took 33.96 ms. Allocated memory is still 1.2 GB. Free memory was 995.2 MB in the beginning and 991.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:08,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.41 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.29 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 357.47 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 626.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.2 MB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.96 ms. Allocated memory is still 1.2 GB. Free memory was 995.2 MB in the beginning and 991.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 52 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 52 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 4 SDslu, 68 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 26]: 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 {m_isPowerOfTwo=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a0f67e=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70001f3c=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c90683e=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29410ed2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@235e0cc6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11ef8269=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5aeffaf8=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16287593=13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2904622e=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@598d61cd=24, P8=26, P10=14, P6=23, P4=18, P2=16, m_log2=6, m_mod_1=8, m_factorial_1=10, P14=13, P12=17, P16=24, m_checkedAdd=7, \result=0, m_checkedSubtract=4, m_checkedMultiply=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cda8650=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39327eea=28, m_IntMath=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ab2c739=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70df1419=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f7102f=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d3d1e07=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fdf48e9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b707e7a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@178e8db8=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56e682cb=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ecf5c60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74197d93=25, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bb63bfb=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5089426=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@638fe7c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33957652=0, P9=28, P7=15, P5=27, P3=22, P1=25, m_log10=3, m_mod_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ec1c9f2=0, m_factorial_2=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fd77d66=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c3c6066=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157dd06=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c7f149c=0, P13=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3630674b=0, P11=20, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71ad5542=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11c38cdc=0, P17=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@658befcf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a4b9c48=0, P15=21} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 26]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L5] int m_isPowerOfTwo = 1; [L6] int m_IntMath = 2; [L7] int m_log10 = 3; [L8] int m_checkedSubtract = 4; [L9] int m_checkedMultiply = 5; [L10] int m_log2 = 6; [L11] int m_checkedAdd = 7; [L12] int m_mod_1 = 8; [L13] int m_mod_2 = 9; [L14] int m_factorial_1 = 10; [L15] int m_factorial_2 = 11; [L20] int q = 0; [L21] int method_id; Loop: [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L38] int P10=__VERIFIER_nondet_int(); [L39] int P11=__VERIFIER_nondet_int(); [L40] int P12=__VERIFIER_nondet_int(); [L41] int P13=__VERIFIER_nondet_int(); [L42] int P14=__VERIFIER_nondet_int(); [L43] int P15=__VERIFIER_nondet_int(); [L44] int P16=__VERIFIER_nondet_int(); [L45] int P17=__VERIFIER_nondet_int(); [L49] COND TRUE q == 0 [L50] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...