./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Addition02.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_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/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 9c0bb97f0ddc8ff8c6b996d7f7598b56ed37dc2a ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:09:14,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:14,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:14,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:14,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:14,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:14,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:14,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:14,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:14,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:14,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:14,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:14,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:14,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:14,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:14,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:14,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:14,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:14,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:14,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:14,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:14,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:14,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:14,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:14,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:14,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:14,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:14,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:14,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:14,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:14,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:14,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:14,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:14,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:14,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:14,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:14,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:14,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:14,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:14,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:14,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:14,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:09:14,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:14,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:14,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:14,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:14,523 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:14,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:14,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:14,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:14,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:14,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:14,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:09:14,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:09:14,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:09:14,526 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:14,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:09:14,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:14,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:09:14,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:14,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:14,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:09:14,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:09:14,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:14,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:14,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:09:14,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:09:14,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:14,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:09:14,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:09:14,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:14,530 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_e75ddc27-85f9-488b-9473-22281a241efc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c0bb97f0ddc8ff8c6b996d7f7598b56ed37dc2a [2020-11-28 03:09:14,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:14,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:14,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:14,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:14,853 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:14,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/../../sv-benchmarks/c/recursive/Addition02.c [2020-11-28 03:09:14,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/data/b5d4d5ff4/df10031f59f345acb4f0ae55b72cfd14/FLAGb3442a9c9 [2020-11-28 03:09:15,465 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:15,466 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/sv-benchmarks/c/recursive/Addition02.c [2020-11-28 03:09:15,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/data/b5d4d5ff4/df10031f59f345acb4f0ae55b72cfd14/FLAGb3442a9c9 [2020-11-28 03:09:15,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/data/b5d4d5ff4/df10031f59f345acb4f0ae55b72cfd14 [2020-11-28 03:09:15,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:15,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:09:15,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:15,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:15,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:15,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:15" (1/1) ... [2020-11-28 03:09:15,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2e9714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:15, skipping insertion in model container [2020-11-28 03:09:15,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:15" (1/1) ... [2020-11-28 03:09:15,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:15,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:16,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:16,025 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:16,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:16,066 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:16,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16 WrapperNode [2020-11-28 03:09:16,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:16,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:16,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:09:16,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:09:16,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:16,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:16,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:16,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:16,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... [2020-11-28 03:09:16,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:16,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:16,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:16,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:16,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/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 03:09:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:09:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-11-28 03:09:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-11-28 03:09:16,543 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:16,553 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:09:16,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:16 BoogieIcfgContainer [2020-11-28 03:09:16,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:16,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:09:16,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:09:16,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:09:16,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:15" (1/3) ... [2020-11-28 03:09:16,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e83b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:16, skipping insertion in model container [2020-11-28 03:09:16,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:16" (2/3) ... [2020-11-28 03:09:16,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e83b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:16, skipping insertion in model container [2020-11-28 03:09:16,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:16" (3/3) ... [2020-11-28 03:09:16,577 INFO L111 eAbstractionObserver]: Analyzing ICFG Addition02.c [2020-11-28 03:09:16,601 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:09:16,605 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:09:16,618 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:09:16,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:09:16,655 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:09:16,655 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:09:16,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:16,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:16,656 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:09:16,656 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:16,656 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:09:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-28 03:09:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:09:16,675 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:16,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:16,676 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:16,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1688089701, now seen corresponding path program 1 times [2020-11-28 03:09:16,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:16,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065651213] [2020-11-28 03:09:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:17,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-28 03:09:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:17,240 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 03:09:17,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065651213] [2020-11-28 03:09:17,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:17,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:09:17,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948249306] [2020-11-28 03:09:17,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:09:17,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:17,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:09:17,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:09:17,276 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2020-11-28 03:09:17,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:17,528 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2020-11-28 03:09:17,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:09:17,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-11-28 03:09:17,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:17,538 INFO L225 Difference]: With dead ends: 35 [2020-11-28 03:09:17,538 INFO L226 Difference]: Without dead ends: 21 [2020-11-28 03:09:17,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:09:17,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-28 03:09:17,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-28 03:09:17,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-28 03:09:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2020-11-28 03:09:17,580 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 12 [2020-11-28 03:09:17,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:17,580 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2020-11-28 03:09:17,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:09:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-28 03:09:17,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:09:17,582 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:17,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:17,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:09:17,583 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:17,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1474613634, now seen corresponding path program 1 times [2020-11-28 03:09:17,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:17,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64306496] [2020-11-28 03:09:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-28 03:09:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:17,694 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 03:09:17,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64306496] [2020-11-28 03:09:17,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:17,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:09:17,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309217245] [2020-11-28 03:09:17,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:09:17,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:17,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:09:17,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:09:17,698 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 6 states. [2020-11-28 03:09:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:17,822 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-11-28 03:09:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:09:17,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-28 03:09:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:17,823 INFO L225 Difference]: With dead ends: 32 [2020-11-28 03:09:17,824 INFO L226 Difference]: Without dead ends: 18 [2020-11-28 03:09:17,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:09:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-28 03:09:17,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-28 03:09:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-28 03:09:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-11-28 03:09:17,839 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2020-11-28 03:09:17,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:17,841 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-11-28 03:09:17,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:09:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-11-28 03:09:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:09:17,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:17,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:17,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:09:17,844 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:17,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash 723990695, now seen corresponding path program 1 times [2020-11-28 03:09:17,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:17,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588508215] [2020-11-28 03:09:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:17,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:17,900 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:17,931 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:17,933 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:09:17,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:09:17,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:09:17 BoogieIcfgContainer [2020-11-28 03:09:17,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:09:17,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:17,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:17,971 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:17,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:16" (3/4) ... [2020-11-28 03:09:17,973 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:09:18,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e75ddc27-85f9-488b-9473-22281a241efc/bin/uautomizer/witness.graphml [2020-11-28 03:09:18,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:18,028 INFO L168 Benchmark]: Toolchain (without parser) took 2183.18 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 53.4 MB in the beginning and 72.1 MB in the end (delta: -18.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:18,029 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 43.9 MB in the beginning and 43.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:18,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.93 ms. Allocated memory is still 83.9 MB. Free memory was 53.3 MB in the beginning and 62.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:18,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.35 ms. Allocated memory is still 83.9 MB. Free memory was 62.4 MB in the beginning and 61.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:18,031 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 ms. Allocated memory is still 83.9 MB. Free memory was 61.1 MB in the beginning and 60.3 MB in the end (delta: 783.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:18,032 INFO L168 Benchmark]: RCFGBuilder took 429.65 ms. Allocated memory is still 83.9 MB. Free memory was 59.9 MB in the beginning and 47.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:18,032 INFO L168 Benchmark]: TraceAbstraction took 1411.46 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 74.2 MB in the end (delta: -26.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:18,033 INFO L168 Benchmark]: Witness Printer took 56.40 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 72.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:18,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 43.9 MB in the beginning and 43.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 221.93 ms. Allocated memory is still 83.9 MB. Free memory was 53.3 MB in the beginning and 62.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.35 ms. Allocated memory is still 83.9 MB. Free memory was 62.4 MB in the beginning and 61.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.00 ms. Allocated memory is still 83.9 MB. Free memory was 61.1 MB in the beginning and 60.3 MB in the end (delta: 783.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 429.65 ms. Allocated memory is still 83.9 MB. Free memory was 59.9 MB in the beginning and 47.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1411.46 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 74.2 MB in the end (delta: -26.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 56.40 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 72.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] COND FALSE !(m < 0 || m > 1073741823) [L35] int n = __VERIFIER_nondet_int(); [L36] COND FALSE !(n < 0 || n > 1073741823) [L41] CALL, EXPR addition(m,n) VAL [\old(m)=0, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=0, \old(n)=1, m=0, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=0, \old(n)=1, m=0, n=1] [L20] CALL, EXPR addition(m+1, n-1) VAL [\old(m)=1, \old(n)=0] [L16] COND TRUE n == 0 [L17] return m; VAL [\old(m)=1, \old(n)=0, \result=1, m=1, n=0] [L20] RET, EXPR addition(m+1, n-1) VAL [\old(m)=0, \old(n)=1, addition(m+1, n-1)=1, m=0, n=1] [L20] return addition(m+1, n-1); [L41] RET, EXPR addition(m,n) [L41] int result = addition(m,n); [L42] COND FALSE !(result == m - n) [L3] __assert_fail("0", "Addition02.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 35 SDtfs, 33 SDslu, 70 SDs, 0 SdLazy, 117 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1198 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 incorrect! Received shutdown request...