./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a93871a8dae316852c5fe296af5e1db1eea1d37 .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:31:26,993 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:31:26,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:31:27,001 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:31:27,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:31:27,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:31:27,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:31:27,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:31:27,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:31:27,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:31:27,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:31:27,006 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:31:27,007 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:31:27,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:31:27,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:31:27,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:31:27,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:31:27,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:31:27,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:31:27,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:31:27,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:31:27,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:31:27,017 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:31:27,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:31:27,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:31:27,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:31:27,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:31:27,019 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:31:27,020 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:31:27,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:31:27,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:31:27,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:31:27,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:31:27,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:31:27,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:31:27,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:31:27,024 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 13:31:27,035 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:31:27,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:31:27,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:31:27,035 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:31:27,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:31:27,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:31:27,036 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:31:27,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:31:27,037 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 13:31:27,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:31:27,038 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:31:27,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:31:27,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:31:27,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:31:27,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:31:27,039 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:31:27,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:31:27,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:31:27,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:31:27,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:31:27,039 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:31:27,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:31:27,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:31:27,040 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2018-11-28 13:31:27,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:31:27,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:31:27,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:31:27,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:31:27,078 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:31:27,078 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-28 13:31:27,116 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/data/e5097f626/34df52abc5a84eb6b458ffb1db888660/FLAGe9390cd63 [2018-11-28 13:31:27,450 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:31:27,451 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-28 13:31:27,454 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/data/e5097f626/34df52abc5a84eb6b458ffb1db888660/FLAGe9390cd63 [2018-11-28 13:31:27,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/data/e5097f626/34df52abc5a84eb6b458ffb1db888660 [2018-11-28 13:31:27,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:31:27,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:31:27,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:31:27,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:31:27,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:31:27,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:31:27" (1/1) ... [2018-11-28 13:31:27,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca19239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:27, skipping insertion in model container [2018-11-28 13:31:27,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:31:27" (1/1) ... [2018-11-28 13:31:27,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:31:27,912 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:31:28,030 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:31:28,039 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:31:28,049 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:31:28,060 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:31:28,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28 WrapperNode [2018-11-28 13:31:28,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:31:28,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:31:28,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:31:28,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:31:28,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:31:28,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:31:28,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:31:28,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:31:28,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... [2018-11-28 13:31:28,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:31:28,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:31:28,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:31:28,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:31:28,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/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 [2018-11-28 13:31:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:31:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:31:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:31:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:31:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:31:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:31:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:31:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:31:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:31:28,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:31:28,307 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:31:28,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:31:28 BoogieIcfgContainer [2018-11-28 13:31:28,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:31:28,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:31:28,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:31:28,311 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:31:28,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:31:27" (1/3) ... [2018-11-28 13:31:28,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1147917b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:31:28, skipping insertion in model container [2018-11-28 13:31:28,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:31:28" (2/3) ... [2018-11-28 13:31:28,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1147917b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:31:28, skipping insertion in model container [2018-11-28 13:31:28,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:31:28" (3/3) ... [2018-11-28 13:31:28,314 INFO L112 eAbstractionObserver]: Analyzing ICFG SyntaxSupportPointer01_true-no-overflow_true-termination.c [2018-11-28 13:31:28,323 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:31:28,328 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 13:31:28,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 13:31:28,361 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:31:28,362 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:31:28,362 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:31:28,362 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:31:28,362 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:31:28,362 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:31:28,362 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:31:28,362 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:31:28,362 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:31:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-28 13:31:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 13:31:28,376 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:31:28,377 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:31:28,379 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 13:31:28,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:31:28,384 INFO L82 PathProgramCache]: Analyzing trace with hash -776246400, now seen corresponding path program 1 times [2018-11-28 13:31:28,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:31:28,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:31:28,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:31:28,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:31:28,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:31:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:31:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:31:28,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:31:28,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:31:28,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:31:28,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:31:28,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:31:28,562 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-28 13:31:28,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:31:28,625 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-28 13:31:28,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:31:28,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-28 13:31:28,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:31:28,633 INFO L225 Difference]: With dead ends: 22 [2018-11-28 13:31:28,633 INFO L226 Difference]: Without dead ends: 11 [2018-11-28 13:31:28,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:31:28,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-11-28 13:31:28,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-11-28 13:31:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-28 13:31:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-28 13:31:28,655 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-11-28 13:31:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:31:28,656 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-11-28 13:31:28,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:31:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-28 13:31:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 13:31:28,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:31:28,656 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:31:28,657 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 13:31:28,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:31:28,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1706165425, now seen corresponding path program 1 times [2018-11-28 13:31:28,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:31:28,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:31:28,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:31:28,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:31:28,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:31:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:31:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:31:28,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:31:28,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:31:28,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:31:28,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:31:28,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:31:28,687 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2018-11-28 13:31:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:31:28,704 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-11-28 13:31:28,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:31:28,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-28 13:31:28,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:31:28,705 INFO L225 Difference]: With dead ends: 11 [2018-11-28 13:31:28,705 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:31:28,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:31:28,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:31:28,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:31:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:31:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:31:28,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-28 13:31:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:31:28,707 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:31:28,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:31:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:31:28,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:31:28,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:31:28,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:31:28,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:31:28,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:31:28,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:31:28,727 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 13:31:28,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:31:28,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:31:28,728 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 12 19) the Hoare annotation is: true [2018-11-28 13:31:28,728 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 12 19) no Hoare annotation was computed. [2018-11-28 13:31:28,728 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-28 13:31:28,728 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2018-11-28 13:31:28,728 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 17) no Hoare annotation was computed. [2018-11-28 13:31:28,728 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2018-11-28 13:31:28,728 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 12 19) no Hoare annotation was computed. [2018-11-28 13:31:28,729 INFO L444 ceAbstractionStarter]: At program point L15-3(lines 15 17) the Hoare annotation is: (<= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2147483647) [2018-11-28 13:31:28,729 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2018-11-28 13:31:28,729 INFO L448 ceAbstractionStarter]: For program point L15-4(lines 15 17) no Hoare annotation was computed. [2018-11-28 13:31:28,733 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 13:31:28,737 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 13:31:28,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:31:28 BoogieIcfgContainer [2018-11-28 13:31:28,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:31:28,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:31:28,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:31:28,739 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:31:28,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:31:28" (3/4) ... [2018-11-28 13:31:28,742 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:31:28,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:31:28,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:31:28,750 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 13:31:28,750 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 13:31:28,751 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:31:28,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_761db866-9c4e-4b96-917b-fb27e5ff6b99/bin-2019/uautomizer/witness.graphml [2018-11-28 13:31:28,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:31:28,781 INFO L168 Benchmark]: Toolchain (without parser) took 897.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 958.7 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:28,783 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:31:28,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.32 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:28,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:31:28,784 INFO L168 Benchmark]: Boogie Preprocessor took 15.84 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:28,784 INFO L168 Benchmark]: RCFGBuilder took 212.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:28,785 INFO L168 Benchmark]: TraceAbstraction took 430.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:28,786 INFO L168 Benchmark]: Witness Printer took 41.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:31:28,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.32 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.84 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 945.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 212.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 430.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Witness Printer took 41.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2018-11-28 13:31:28,793 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 13:31:28,793 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 locations, 2 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 7 SDslu, 30 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...