./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d3ded6f4470c26b608997f650ebe66ef1cf6f845 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:19:25,918 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:19:25,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:19:25,942 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:19:25,942 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:19:25,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:19:25,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:19:25,944 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:19:25,945 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:19:25,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:19:25,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:19:25,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:19:25,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:19:25,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:19:25,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:19:25,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:19:25,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:19:25,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:19:25,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:19:25,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:19:25,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:19:25,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:19:25,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:19:25,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:19:25,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:19:25,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:19:25,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:19:25,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:19:25,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:19:25,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:19:25,973 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:19:25,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:19:25,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:19:25,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:19:25,975 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:19:25,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:19:25,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-18 15:19:25,991 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:19:25,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:19:25,998 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:19:25,998 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:19:25,998 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:19:25,998 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:19:25,998 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:19:25,998 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:19:25,999 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:19:25,999 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:19:25,999 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:19:25,999 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:19:25,999 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:19:25,999 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:19:26,000 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:19:26,001 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:19:26,001 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:19:26,001 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:19:26,001 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:19:26,001 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:19:26,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:19:26,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:19:26,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:19:26,002 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:19:26,002 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:19:26,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:19:26,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:19:26,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:19:26,002 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan 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 -> Taipan 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 -> d3ded6f4470c26b608997f650ebe66ef1cf6f845 [2018-11-18 15:19:26,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:19:26,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:19:26,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:19:26,145 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:19:26,154 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:19:26,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1_false-no-overflow.c [2018-11-18 15:19:26,324 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/data/24216face/9559718e3c384595b664a01afa4d2de2/FLAGae99a8537 [2018-11-18 15:19:26,697 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:19:26,697 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1_false-no-overflow.c [2018-11-18 15:19:26,702 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/data/24216face/9559718e3c384595b664a01afa4d2de2/FLAGae99a8537 [2018-11-18 15:19:27,090 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/data/24216face/9559718e3c384595b664a01afa4d2de2 [2018-11-18 15:19:27,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:19:27,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:19:27,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:27,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:19:27,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:19:27,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290c50ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27, skipping insertion in model container [2018-11-18 15:19:27,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:19:27,125 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:19:27,240 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:27,243 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:19:27,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:27,264 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:19:27,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27 WrapperNode [2018-11-18 15:19:27,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:27,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:27,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:19:27,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:19:27,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:27,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:19:27,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:19:27,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:19:27,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... [2018-11-18 15:19:27,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:19:27,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:19:27,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:19:27,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:19:27,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/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 [2018-11-18 15:19:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure rev [2018-11-18 15:19:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rev [2018-11-18 15:19:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:19:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:19:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:19:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:19:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:19:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:19:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure r1 [2018-11-18 15:19:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure r1 [2018-11-18 15:19:27,546 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:19:27,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:27 BoogieIcfgContainer [2018-11-18 15:19:27,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:19:27,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:19:27,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:19:27,549 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:19:27,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:19:27" (1/3) ... [2018-11-18 15:19:27,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4829d3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:19:27, skipping insertion in model container [2018-11-18 15:19:27,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:27" (2/3) ... [2018-11-18 15:19:27,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4829d3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:19:27, skipping insertion in model container [2018-11-18 15:19:27,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:27" (3/3) ... [2018-11-18 15:19:27,552 INFO L112 eAbstractionObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex1_false-no-overflow.c [2018-11-18 15:19:27,560 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:19:27,565 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 15:19:27,575 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 15:19:27,606 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:19:27,607 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:19:27,607 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:19:27,607 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:19:27,607 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:19:27,607 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:19:27,607 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:19:27,607 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:19:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-18 15:19:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:19:27,628 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:27,629 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:27,631 INFO L423 AbstractCegarLoop]: === Iteration 1 === [r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:19:27,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1256099168, now seen corresponding path program 1 times [2018-11-18 15:19:27,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:27,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:27,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:27,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:27,666 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:27,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:27,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:19:27,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:27,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:19:27,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:19:27,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:27,910 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 7 states. [2018-11-18 15:19:28,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:28,163 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-11-18 15:19:28,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:19:28,164 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-11-18 15:19:28,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:28,171 INFO L225 Difference]: With dead ends: 36 [2018-11-18 15:19:28,171 INFO L226 Difference]: Without dead ends: 23 [2018-11-18 15:19:28,174 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:19:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-18 15:19:28,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-18 15:19:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-18 15:19:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-18 15:19:28,203 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 12 [2018-11-18 15:19:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:28,204 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-11-18 15:19:28,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:19:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-18 15:19:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:19:28,204 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:28,204 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:28,205 INFO L423 AbstractCegarLoop]: === Iteration 2 === [r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:19:28,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:28,205 INFO L82 PathProgramCache]: Analyzing trace with hash 284368601, now seen corresponding path program 1 times [2018-11-18 15:19:28,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:28,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:28,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:28,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:28,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:28,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:28,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:19:28,270 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:28,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:19:28,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:19:28,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:28,272 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 7 states. [2018-11-18 15:19:28,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:28,370 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-11-18 15:19:28,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:19:28,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-18 15:19:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:28,371 INFO L225 Difference]: With dead ends: 37 [2018-11-18 15:19:28,371 INFO L226 Difference]: Without dead ends: 35 [2018-11-18 15:19:28,372 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:19:28,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-18 15:19:28,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2018-11-18 15:19:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 15:19:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-18 15:19:28,378 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 13 [2018-11-18 15:19:28,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:28,378 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-18 15:19:28,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:19:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-18 15:19:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 15:19:28,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:28,379 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:28,379 INFO L423 AbstractCegarLoop]: === Iteration 3 === [r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:19:28,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:28,379 INFO L82 PathProgramCache]: Analyzing trace with hash 225492098, now seen corresponding path program 1 times [2018-11-18 15:19:28,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:28,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:28,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:28,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:28,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:19:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:19:28,403 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:19:28,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:19:28 BoogieIcfgContainer [2018-11-18 15:19:28,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:19:28,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:19:28,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:19:28,421 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:19:28,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:27" (3/4) ... [2018-11-18 15:19:28,423 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:19:28,452 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67d60d64-477e-4660-8a09-44d5481986df/bin-2019/utaipan/witness.graphml [2018-11-18 15:19:28,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:19:28,453 INFO L168 Benchmark]: Toolchain (without parser) took 1360.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -93.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:28,454 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:28,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.37 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:28,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.76 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:28,456 INFO L168 Benchmark]: Boogie Preprocessor took 14.58 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:28,456 INFO L168 Benchmark]: RCFGBuilder took 249.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:28,457 INFO L168 Benchmark]: TraceAbstraction took 873.73 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:28,457 INFO L168 Benchmark]: Witness Printer took 31.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:28,460 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.37 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 952.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.76 ms. Allocated memory is still 1.0 GB. Free memory is still 952.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.58 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 947.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 249.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 873.73 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Witness Printer took 31.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L26] int ls = __VERIFIER_nondet_int(); [L27] COND TRUE ls >= 0 VAL [ls=2147483647] [L28] CALL rev(ls) VAL [\old(ls)=2147483647] [L22] CALL r1(ls,0) VAL [\old(a)=0, \old(ls)=2147483647] [L14] COND FALSE !(ls == 0) VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls-1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls+1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 6 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 59 SDslu, 120 SDs, 0 SdLazy, 154 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 587 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 incorrect! Received shutdown request...