./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/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 6b853b7a72b17d5b4054a16a7ba98c728e55c23b ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:30:29,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:30:29,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:30:29,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:30:29,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:30:29,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:30:29,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:30:29,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:30:29,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:30:29,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:30:29,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:30:29,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:30:29,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:30:29,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:30:29,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:30:29,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:30:29,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:30:29,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:30:29,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:30:29,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:30:29,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:30:29,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:30:29,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:30:29,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:30:29,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:30:29,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:30:29,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:30:29,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:30:29,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:30:29,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:30:29,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:30:29,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:30:29,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:30:29,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:30:29,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:30:29,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:30:29,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:30:29,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:30:29,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:30:29,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:30:29,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:30:29,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:30:29,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:30:29,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:30:29,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:30:29,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:30:29,291 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:30:29,291 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:30:29,292 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:30:29,292 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:30:29,292 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:30:29,292 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:30:29,292 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:30:29,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:30:29,292 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:30:29,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:30:29,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:30:29,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:30:29,294 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:30:29,294 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:30:29,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:30:29,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:30:29,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:30:29,295 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:30:29,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:30:29,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:30:29,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:30:29,295 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:30:29,296 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:30:29,296 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/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 -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2019-12-07 18:30:29,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:30:29,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:30:29,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:30:29,417 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:30:29,417 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:30:29,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/id_trans.i [2019-12-07 18:30:29,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/data/f9adc2c0d/d79b36f71e4f4cae8df6d0368e62bc44/FLAG1bc26a64b [2019-12-07 18:30:29,848 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:30:29,849 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/sv-benchmarks/c/loop-invgen/id_trans.i [2019-12-07 18:30:29,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/data/f9adc2c0d/d79b36f71e4f4cae8df6d0368e62bc44/FLAG1bc26a64b [2019-12-07 18:30:29,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/data/f9adc2c0d/d79b36f71e4f4cae8df6d0368e62bc44 [2019-12-07 18:30:29,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:30:29,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:30:29,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:30:29,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:30:29,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:30:29,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:30:29" (1/1) ... [2019-12-07 18:30:29,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715a4d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:29, skipping insertion in model container [2019-12-07 18:30:29,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:30:29" (1/1) ... [2019-12-07 18:30:29,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:30:29,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:30:29,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:30:29,983 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:30:30,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:30:30,033 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:30:30,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30 WrapperNode [2019-12-07 18:30:30,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:30:30,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:30:30,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:30:30,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:30:30,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:30:30,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:30:30,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:30:30,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:30:30,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... [2019-12-07 18:30:30,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:30:30,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:30:30,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:30:30,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:30:30,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/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 [2019-12-07 18:30:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:30:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:30:30,218 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:30:30,219 INFO L287 CfgBuilder]: Removed 13 assume(true) statements. [2019-12-07 18:30:30,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:30:30 BoogieIcfgContainer [2019-12-07 18:30:30,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:30:30,220 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:30:30,220 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:30:30,222 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:30:30,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:30:30,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:30:29" (1/3) ... [2019-12-07 18:30:30,224 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a9f2f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:30:30, skipping insertion in model container [2019-12-07 18:30:30,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:30:30,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:30:30" (2/3) ... [2019-12-07 18:30:30,224 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a9f2f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:30:30, skipping insertion in model container [2019-12-07 18:30:30,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:30:30,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:30:30" (3/3) ... [2019-12-07 18:30:30,225 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2019-12-07 18:30:30,254 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:30:30,254 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:30:30,254 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:30:30,254 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:30:30,254 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:30:30,254 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:30:30,255 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:30:30,255 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:30:30,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-12-07 18:30:30,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-12-07 18:30:30,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:30:30,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:30:30,281 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:30:30,281 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:30:30,282 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:30:30,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-12-07 18:30:30,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-12-07 18:30:30,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:30:30,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:30:30,283 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:30:30,283 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:30:30,288 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~idBitLength~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~material_length~0 := main_#t~nondet3;havoc main_#t~nondet3; 5#L16true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 32 then 1 + main_~idBitLength~0 / 32 else main_~idBitLength~0 / 32));main_~j~0 := 0; 3#L17-2true [2019-12-07 18:30:30,289 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 20#L4true assume !(0 == __VERIFIER_assert_~cond); 14#L4-2true __VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L4-3true assume !(0 == __VERIFIER_assert_~cond); 9#L4-5true __VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 8#L4-6true assume !(0 == __VERIFIER_assert_~cond); 7#L4-8true __VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L4-9true assume !(0 == __VERIFIER_assert_~cond); 19#L4-11true main_#t~post4 := main_~j~0;main_~j~0 := 1 + main_#t~post4;havoc main_#t~post4; 3#L17-2true [2019-12-07 18:30:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:30:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-12-07 18:30:30,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:30:30,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355675685] [2019-12-07 18:30:30,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:30:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:30:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:30:30,370 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:30:30,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:30:30,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1041340230, now seen corresponding path program 1 times [2019-12-07 18:30:30,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:30:30,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256875320] [2019-12-07 18:30:30,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:30:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:30:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:30:30,415 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:30:30,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:30:30,416 INFO L82 PathProgramCache]: Analyzing trace with hash 603190901, now seen corresponding path program 1 times [2019-12-07 18:30:30,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:30:30,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234332664] [2019-12-07 18:30:30,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:30:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:30:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:30:30,449 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:30:31,341 WARN L192 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2019-12-07 18:30:31,350 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:30:31,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:30:31,351 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:30:31,351 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:30:31,352 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:30:31,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:30:31,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:30:31,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2019-12-07 18:30:31,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:30:31,353 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:30:31,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:30:31,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:30:31,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:30:31,446 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:30:31,446 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:30:31,451 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:30:31,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:30:31,503 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:30:31,505 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:30:31,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:30:31,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:30:31,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:30:31,505 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:30:31,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:30:31,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:30:31,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2019-12-07 18:30:31,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:30:31,506 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:30:31,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:30:31,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:30:31,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:30:31,572 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:30:31,576 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:30:31,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:30:31,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:30:31,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:30:31,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:30:31,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:30:31,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:30:31,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:30:31,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:30:31,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:30:31,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:30:31,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:30:31,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:30:31,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:30:31,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:30:31,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:30:31,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:30:31,605 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 18:30:31,606 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec5b189-06d2-48dc-bf42-5cae1fb7f418/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:30:31,619 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:30:31,619 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:30:31,620 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:30:31,620 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nlen~0) = -1*ULTIMATE.start_main_~j~0 + 4*ULTIMATE.start_main_~nlen~0 Supporting invariants [] [2019-12-07 18:30:31,624 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:30:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:30:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:30:31,655 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:30:31,655 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:30:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:30:31,668 WARN L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 18:30:31,668 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:30:31,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:30:31,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:30:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:30:31,810 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-12-07 18:30:31,811 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 6 states. [2019-12-07 18:30:31,930 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 6 states. Result 54 states and 68 transitions. Complement of second has 15 states. [2019-12-07 18:30:31,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-12-07 18:30:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 18:30:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 48 transitions. [2019-12-07 18:30:31,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 48 transitions. Stem has 2 letters. Loop has 9 letters. [2019-12-07 18:30:31,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:30:31,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 48 transitions. Stem has 11 letters. Loop has 9 letters. [2019-12-07 18:30:31,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:30:31,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 48 transitions. Stem has 2 letters. Loop has 18 letters. [2019-12-07 18:30:31,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:30:31,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2019-12-07 18:30:31,938 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:30:31,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2019-12-07 18:30:31,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:30:31,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:30:31,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:30:31,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:30:31,942 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:30:31,942 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:30:31,942 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:30:31,942 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:30:31,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:30:31,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:30:31,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:30:31,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:30:31 BoogieIcfgContainer [2019-12-07 18:30:31,947 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:30:31,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:30:31,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:30:31,948 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:30:31,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:30:30" (3/4) ... [2019-12-07 18:30:31,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:30:31,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:30:31,952 INFO L168 Benchmark]: Toolchain (without parser) took 2087.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.7 MB in the beginning and 946.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:30:31,952 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:30:31,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:30:31,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:30:31,953 INFO L168 Benchmark]: Boogie Preprocessor took 13.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:30:31,954 INFO L168 Benchmark]: RCFGBuilder took 150.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:30:31,954 INFO L168 Benchmark]: BuchiAutomizer took 1727.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.4 MB in the end (delta: 128.7 MB). Peak memory consumption was 128.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:30:31,955 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.1 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:30:31,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1727.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.4 MB in the end (delta: 128.7 MB). Peak memory consumption was 128.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.1 GB. Free memory is still 946.4 MB. 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * j + 4 * nlen and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 21 SDslu, 13 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf48 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...