./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/terminator_02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/terminator_02-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c39fd0351744516d27a824f9d04afb4690ded14c ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:08:40,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:40,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:40,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:40,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:40,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:40,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:40,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:40,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:40,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:40,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:40,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:40,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:40,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:40,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:40,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:40,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:40,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:40,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:40,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:40,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:40,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:40,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:40,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:40,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:40,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:40,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:40,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:40,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:40,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:40,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:40,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:40,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:40,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:40,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:40,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:40,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:40,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:40,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:40,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:40,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:40,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:08:40,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:08:40,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:08:40,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:08:40,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:08:40,920 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:08:40,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:08:40,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:08:40,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:08:40,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:08:40,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:08:40,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:08:40,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:08:40,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:08:40,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:08:40,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:08:40,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:08:40,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:08:40,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:08:40,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:08:40,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:08:40,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:08:40,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:08:40,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:08:40,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:08:40,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:08:40,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:08:40,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:08:40,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:08:40,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:08:40,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c39fd0351744516d27a824f9d04afb4690ded14c [2020-11-28 03:08:41,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:08:41,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:08:41,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:08:41,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:08:41,270 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:08:41,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/../../sv-benchmarks/c/loops/terminator_02-2.c [2020-11-28 03:08:41,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/data/0ee16a909/83f200e9b49b45ddab1cd63f368369ec/FLAG09b605182 [2020-11-28 03:08:41,983 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:08:41,984 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/sv-benchmarks/c/loops/terminator_02-2.c [2020-11-28 03:08:41,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/data/0ee16a909/83f200e9b49b45ddab1cd63f368369ec/FLAG09b605182 [2020-11-28 03:08:42,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/data/0ee16a909/83f200e9b49b45ddab1cd63f368369ec [2020-11-28 03:08:42,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:08:42,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:08:42,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:42,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:08:42,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:08:42,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4bc741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42, skipping insertion in model container [2020-11-28 03:08:42,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:08:42,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:08:42,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:42,584 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:08:42,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:42,616 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:08:42,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42 WrapperNode [2020-11-28 03:08:42,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:42,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:42,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:08:42,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:08:42,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:42,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:08:42,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:08:42,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:08:42,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... [2020-11-28 03:08:42,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:08:42,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:08:42,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:08:42,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:08:42,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:08:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:08:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:08:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:08:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:08:43,262 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:08:43,262 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:08:43,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:43 BoogieIcfgContainer [2020-11-28 03:08:43,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:08:43,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:08:43,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:08:43,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:08:43,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:08:42" (1/3) ... [2020-11-28 03:08:43,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e1dbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:43, skipping insertion in model container [2020-11-28 03:08:43,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:42" (2/3) ... [2020-11-28 03:08:43,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e1dbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:08:43, skipping insertion in model container [2020-11-28 03:08:43,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:43" (3/3) ... [2020-11-28 03:08:43,278 INFO L111 eAbstractionObserver]: Analyzing ICFG terminator_02-2.c [2020-11-28 03:08:43,291 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:08:43,296 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:08:43,309 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:08:43,350 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:08:43,350 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:08:43,350 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:08:43,351 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:08:43,351 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:08:43,351 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:08:43,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:08:43,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:08:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-28 03:08:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:08:43,378 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:43,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:08:43,379 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:43,387 INFO L82 PathProgramCache]: Analyzing trace with hash 766202737, now seen corresponding path program 1 times [2020-11-28 03:08:43,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:43,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368243346] [2020-11-28 03:08:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:08:43,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368243346] [2020-11-28 03:08:43,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:43,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:08:43,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52871882] [2020-11-28 03:08:43,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:08:43,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:43,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:08:43,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:08:43,664 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 2 states. [2020-11-28 03:08:43,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:43,708 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2020-11-28 03:08:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:08:43,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-28 03:08:43,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:43,729 INFO L225 Difference]: With dead ends: 25 [2020-11-28 03:08:43,733 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 03:08:43,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:08:43,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 03:08:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:08:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:08:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2020-11-28 03:08:43,776 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2020-11-28 03:08:43,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:43,777 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2020-11-28 03:08:43,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:08:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-11-28 03:08:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:08:43,780 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:08:43,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:08:43,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:08:43,781 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:08:43,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:08:43,785 INFO L82 PathProgramCache]: Analyzing trace with hash 765904827, now seen corresponding path program 1 times [2020-11-28 03:08:43,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:08:43,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858533681] [2020-11-28 03:08:43,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:08:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:08:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:08:44,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858533681] [2020-11-28 03:08:44,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:08:44,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:08:44,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400343824] [2020-11-28 03:08:44,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:08:44,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:08:44,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:08:44,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:08:44,044 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 5 states. [2020-11-28 03:08:44,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:08:44,307 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-11-28 03:08:44,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:08:44,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-28 03:08:44,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:08:44,307 INFO L225 Difference]: With dead ends: 15 [2020-11-28 03:08:44,307 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:08:44,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:08:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:08:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:08:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:08:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:08:44,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-28 03:08:44,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:08:44,310 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:08:44,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:08:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:08:44,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:08:44,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:08:44,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:08:44,337 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-28 03:08:44,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:08:44,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:08:44,338 INFO L274 CegarLoopResult]: For program point L29(lines 29 34) no Hoare annotation was computed. [2020-11-28 03:08:44,338 INFO L277 CegarLoopResult]: At program point L29-2(lines 26 35) the Hoare annotation is: true [2020-11-28 03:08:44,338 INFO L274 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-11-28 03:08:44,338 INFO L274 CegarLoopResult]: For program point L26-2(lines 26 35) no Hoare annotation was computed. [2020-11-28 03:08:44,339 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-28 03:08:44,339 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-11-28 03:08:44,339 INFO L277 CegarLoopResult]: At program point L10-2(lines 9 14) the Hoare annotation is: true [2020-11-28 03:08:44,339 INFO L277 CegarLoopResult]: At program point L39(lines 18 40) the Hoare annotation is: true [2020-11-28 03:08:44,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:08:44 BoogieIcfgContainer [2020-11-28 03:08:44,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:08:44,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:08:44,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:08:44,355 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:08:44,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:08:43" (3/4) ... [2020-11-28 03:08:44,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:08:44,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:08:44,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:08:44,375 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:08:44,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:08:44,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_81610936-7bd3-41f4-b7d0-3da2da90a0fb/bin/uautomizer/witness.graphml [2020-11-28 03:08:44,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:08:44,450 INFO L168 Benchmark]: Toolchain (without parser) took 2129.50 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 66.0 MB in the beginning and 65.3 MB in the end (delta: 667.7 kB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:44,450 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:44,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.78 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 70.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:44,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.03 ms. Allocated memory is still 92.3 MB. Free memory was 70.7 MB in the beginning and 69.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:44,455 INFO L168 Benchmark]: Boogie Preprocessor took 21.84 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 68.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:44,456 INFO L168 Benchmark]: RCFGBuilder took 588.61 ms. Allocated memory is still 92.3 MB. Free memory was 68.3 MB in the beginning and 56.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:44,456 INFO L168 Benchmark]: TraceAbstraction took 1085.58 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.6 MB in the beginning and 67.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:44,457 INFO L168 Benchmark]: Witness Printer took 92.46 ms. Allocated memory is still 111.1 MB. Free memory was 67.9 MB in the beginning and 65.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:44,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 286.78 ms. Allocated memory is still 92.3 MB. Free memory was 65.7 MB in the beginning and 70.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.03 ms. Allocated memory is still 92.3 MB. Free memory was 70.7 MB in the beginning and 69.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.84 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 68.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 588.61 ms. Allocated memory is still 92.3 MB. Free memory was 68.3 MB in the beginning and 56.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1085.58 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.6 MB in the beginning and 67.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Witness Printer took 92.46 ms. Allocated memory is still 111.1 MB. Free memory was 67.9 MB in the beginning and 65.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 6 SDslu, 10 SDs, 0 SdLazy, 21 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...